{
  "id": "tennis-tournament-time-trends",
  "name": "Tennis Tournament Match Duration Trends",
  "title": "Tennis Tournament Match Duration Trends",
  "description": "Match duration trends for 205 tennis tournament-year combinations across 15 major tournaments from 1991 to 2014, measuring seconds added per year.",
  "category": "sports",
  "source": "https://github.com/vincentarelbundock/Rdatasets",
  "source_url": "https://github.com/vincentarelbundock/Rdatasets",
  "updated": "2026-04",
  "record_count": 205,
  "columns": [
    {
      "key": "tournament",
      "label": "Tournament",
      "type": "string"
    },
    {
      "key": "surface",
      "label": "Surface",
      "type": "string"
    },
    {
      "key": "sec_added",
      "label": "Sec Added",
      "type": "number"
    },
    {
      "key": "year_start",
      "label": "Year Start",
      "type": "number"
    },
    {
      "key": "year_end",
      "label": "Year End",
      "type": "number"
    }
  ],
  "rows": [
    {
      "tournament": "Wimbledon",
      "surface": "Grass",
      "sec_added": "-2.98",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "London Olympics",
      "surface": "Grass",
      "sec_added": "-2.62",
      "year_start": "2012",
      "year_end": "2012"
    },
    {
      "tournament": "Manchester",
      "surface": "Grass",
      "sec_added": "-2.33",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Eastbourne",
      "surface": "Grass",
      "sec_added": "-1.78",
      "year_start": "2009",
      "year_end": "2014"
    },
    {
      "tournament": "Birmingham",
      "surface": "Carpet",
      "sec_added": "-1.63",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Queen's Club",
      "surface": "Grass",
      "sec_added": "-1.5",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Lyon",
      "surface": "Hard",
      "sec_added": "-1.35",
      "year_start": "2009",
      "year_end": "2009"
    },
    {
      "tournament": "Las Vegas",
      "surface": "Hard",
      "sec_added": "-1.32",
      "year_start": "2006",
      "year_end": "2008"
    },
    {
      "tournament": "Stockholm Masters",
      "surface": "Carpet",
      "sec_added": "-0.9",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Nottingham",
      "surface": "Grass",
      "sec_added": "-0.82",
      "year_start": "1995",
      "year_end": "2008"
    },
    {
      "tournament": "Orlando",
      "surface": "Hard",
      "sec_added": "-0.68",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Tokyo Indoor",
      "surface": "Carpet",
      "sec_added": "-0.64",
      "year_start": "1991",
      "year_end": "1995"
    },
    {
      "tournament": "Halle",
      "surface": "Grass",
      "sec_added": "-0.58",
      "year_start": "1993",
      "year_end": "2014"
    },
    {
      "tournament": "Bogota",
      "surface": "Clay",
      "sec_added": "-0.57",
      "year_start": "1994",
      "year_end": "2001"
    },
    {
      "tournament": "s-Hertogenbosch",
      "surface": "Grass",
      "sec_added": "-0.54",
      "year_start": "2008",
      "year_end": "2014"
    },
    {
      "tournament": "Beijing",
      "surface": "Carpet",
      "sec_added": "-0.54",
      "year_start": "1993",
      "year_end": "1996"
    },
    {
      "tournament": "Brussels",
      "surface": "Carpet",
      "sec_added": "-0.53",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Chicago",
      "surface": "Carpet",
      "sec_added": "-0.52",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Wellington",
      "surface": "Hard",
      "sec_added": "-0.44",
      "year_start": "1991",
      "year_end": "1992"
    },
    {
      "tournament": "Newport",
      "surface": "Grass",
      "sec_added": "-0.35",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "US Open",
      "surface": "Hard",
      "sec_added": "-0.17",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Montpellier",
      "surface": "Hard",
      "sec_added": "-0.16",
      "year_start": "2010",
      "year_end": "2015"
    },
    {
      "tournament": "Bolzano",
      "surface": "Carpet",
      "sec_added": "-0.14",
      "year_start": "1992",
      "year_end": "1993"
    },
    {
      "tournament": "Australian Open",
      "surface": "Hard",
      "sec_added": "-0.11",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Memphis",
      "surface": "Hard",
      "sec_added": "-0.02",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Bogota",
      "surface": "Hard",
      "sec_added": "0.08",
      "year_start": "2013",
      "year_end": "2014"
    },
    {
      "tournament": "Rosmalen",
      "surface": "Grass",
      "sec_added": "0.17",
      "year_start": "1991",
      "year_end": "1997"
    },
    {
      "tournament": "London",
      "surface": "Carpet",
      "sec_added": "0.27",
      "year_start": "1998",
      "year_end": "1999"
    },
    {
      "tournament": "San Jose",
      "surface": "Hard",
      "sec_added": "0.28",
      "year_start": "1994",
      "year_end": "2013"
    },
    {
      "tournament": "Antwerp",
      "surface": "Carpet",
      "sec_added": "0.29",
      "year_start": "1992",
      "year_end": "1996"
    },
    {
      "tournament": "Stuttgart Masters",
      "surface": "Carpet",
      "sec_added": "0.3",
      "year_start": "1996",
      "year_end": "1997"
    },
    {
      "tournament": "Sydney Indoor",
      "surface": "Hard",
      "sec_added": "0.3",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Paris Masters",
      "surface": "Carpet",
      "sec_added": "0.32",
      "year_start": "1991",
      "year_end": "2006"
    },
    {
      "tournament": "Auckland",
      "surface": "Hard",
      "sec_added": "0.38",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Johannesburg",
      "surface": "Hard",
      "sec_added": "0.38",
      "year_start": "1992",
      "year_end": "2011"
    },
    {
      "tournament": "Gstaad",
      "surface": "Clay",
      "sec_added": "0.44",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Durban",
      "surface": "Hard",
      "sec_added": "0.45",
      "year_start": "1993",
      "year_end": "1993"
    },
    {
      "tournament": "Sydney",
      "surface": "Hard",
      "sec_added": "0.46",
      "year_start": "1999",
      "year_end": "2015"
    },
    {
      "tournament": "Copenhagen",
      "surface": "Carpet",
      "sec_added": "0.5",
      "year_start": "1991",
      "year_end": "1999"
    },
    {
      "tournament": "Basel",
      "surface": "Carpet",
      "sec_added": "0.51",
      "year_start": "1997",
      "year_end": "2006"
    },
    {
      "tournament": "Sydney Outdoor",
      "surface": "Hard",
      "sec_added": "0.52",
      "year_start": "1991",
      "year_end": "1998"
    },
    {
      "tournament": "Seoul",
      "surface": "Hard",
      "sec_added": "0.53",
      "year_start": "1991",
      "year_end": "1996"
    },
    {
      "tournament": "Milan",
      "surface": "Carpet",
      "sec_added": "0.55",
      "year_start": "1991",
      "year_end": "2005"
    },
    {
      "tournament": "Stuttgart Indoor",
      "surface": "Carpet",
      "sec_added": "0.57",
      "year_start": "1991",
      "year_end": "1995"
    },
    {
      "tournament": "Delray Beach",
      "surface": "Hard",
      "sec_added": "0.59",
      "year_start": "2000",
      "year_end": "2015"
    },
    {
      "tournament": "Philadelphia",
      "surface": "Carpet",
      "sec_added": "0.59",
      "year_start": "1991",
      "year_end": "1996"
    },
    {
      "tournament": "Metz",
      "surface": "Hard",
      "sec_added": "0.63",
      "year_start": "2003",
      "year_end": "2014"
    },
    {
      "tournament": "Tour Finals",
      "surface": "Carpet",
      "sec_added": "0.63",
      "year_start": "1991",
      "year_end": "1996"
    },
    {
      "tournament": "Moscow",
      "surface": "Carpet",
      "sec_added": "0.64",
      "year_start": "1991",
      "year_end": "2006"
    },
    {
      "tournament": "Kuala Lumpur",
      "surface": "Carpet",
      "sec_added": "0.66",
      "year_start": "1994",
      "year_end": "1995"
    },
    {
      "tournament": "New Haven",
      "surface": "Hard",
      "sec_added": "0.71",
      "year_start": "1991",
      "year_end": "2010"
    },
    {
      "tournament": "Basel",
      "surface": "Hard",
      "sec_added": "0.73",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Scottsdale",
      "surface": "Hard",
      "sec_added": "0.79",
      "year_start": "1992",
      "year_end": "2005"
    },
    {
      "tournament": "Roland Garros",
      "surface": "Clay",
      "sec_added": "0.79",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "St. Petersburg",
      "surface": "Carpet",
      "sec_added": "0.8",
      "year_start": "1995",
      "year_end": "2007"
    },
    {
      "tournament": "Berlin",
      "surface": "Carpet",
      "sec_added": "0.8",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Tokyo Outdoor",
      "surface": "Hard",
      "sec_added": "0.81",
      "year_start": "1991",
      "year_end": "1995"
    },
    {
      "tournament": "Paris Masters",
      "surface": "Hard",
      "sec_added": "0.82",
      "year_start": "2007",
      "year_end": "2014"
    },
    {
      "tournament": "Adelaide",
      "surface": "Hard",
      "sec_added": "0.85",
      "year_start": "1991",
      "year_end": "2008"
    },
    {
      "tournament": "Lyon",
      "surface": "Carpet",
      "sec_added": "0.86",
      "year_start": "1991",
      "year_end": "2008"
    },
    {
      "tournament": "Stockholm",
      "surface": "Hard",
      "sec_added": "0.86",
      "year_start": "1995",
      "year_end": "2014"
    },
    {
      "tournament": "St Petersburg",
      "surface": "Carpet",
      "sec_added": "0.87",
      "year_start": "1999",
      "year_end": "1999"
    },
    {
      "tournament": "Zaragoza",
      "surface": "Carpet",
      "sec_added": "0.91",
      "year_start": "1993",
      "year_end": "1994"
    },
    {
      "tournament": "Zagreb",
      "surface": "Carpet",
      "sec_added": "0.92",
      "year_start": "1996",
      "year_end": "2007"
    },
    {
      "tournament": "Winston-Salem",
      "surface": "Hard",
      "sec_added": "0.93",
      "year_start": "2011",
      "year_end": "2014"
    },
    {
      "tournament": "Ostrava",
      "surface": "Carpet",
      "sec_added": "0.93",
      "year_start": "1994",
      "year_end": "1998"
    },
    {
      "tournament": "Marseille",
      "surface": "Hard",
      "sec_added": "0.97",
      "year_start": "1996",
      "year_end": "2015"
    },
    {
      "tournament": "Brighton",
      "surface": "Hard",
      "sec_added": "1",
      "year_start": "2000",
      "year_end": "2000"
    },
    {
      "tournament": "Bangkok",
      "surface": "Hard",
      "sec_added": "1.01",
      "year_start": "2003",
      "year_end": "2013"
    },
    {
      "tournament": "Zagreb",
      "surface": "Hard",
      "sec_added": "1.02",
      "year_start": "2008",
      "year_end": "2015"
    },
    {
      "tournament": "Moscow",
      "surface": "Hard",
      "sec_added": "1.1",
      "year_start": "2007",
      "year_end": "2014"
    },
    {
      "tournament": "Cincinnati Masters",
      "surface": "Hard",
      "sec_added": "1.14",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "San Francisco",
      "surface": "Carpet",
      "sec_added": "1.15",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Mexico City",
      "surface": "Clay",
      "sec_added": "1.15",
      "year_start": "1993",
      "year_end": "2000"
    },
    {
      "tournament": "London",
      "surface": "Hard",
      "sec_added": "1.16",
      "year_start": "2000",
      "year_end": "2000"
    },
    {
      "tournament": "Stuttgart Masters",
      "surface": "Hard",
      "sec_added": "1.17",
      "year_start": "1998",
      "year_end": "2001"
    },
    {
      "tournament": "New Delhi",
      "surface": "Hard",
      "sec_added": "1.21",
      "year_start": "1996",
      "year_end": "1996"
    },
    {
      "tournament": "Shanghai Masters",
      "surface": "Hard",
      "sec_added": "1.21",
      "year_start": "2009",
      "year_end": "2014"
    },
    {
      "tournament": "Tokyo",
      "surface": "Hard",
      "sec_added": "1.21",
      "year_start": "1996",
      "year_end": "2014"
    },
    {
      "tournament": "Osaka",
      "surface": "Hard",
      "sec_added": "1.23",
      "year_start": "1993",
      "year_end": "1994"
    },
    {
      "tournament": "Long Island",
      "surface": "Hard",
      "sec_added": "1.23",
      "year_start": "1991",
      "year_end": "2004"
    },
    {
      "tournament": "Essen Masters",
      "surface": "Carpet",
      "sec_added": "1.25",
      "year_start": "1995",
      "year_end": "1995"
    },
    {
      "tournament": "Rotterdam",
      "surface": "Hard",
      "sec_added": "1.25",
      "year_start": "2000",
      "year_end": "2015"
    },
    {
      "tournament": "Buzios",
      "surface": "Hard",
      "sec_added": "1.26",
      "year_start": "1991",
      "year_end": "1992"
    },
    {
      "tournament": "Washington",
      "surface": "Hard",
      "sec_added": "1.3",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Shanghai",
      "surface": "Carpet",
      "sec_added": "1.3",
      "year_start": "1996",
      "year_end": "1998"
    },
    {
      "tournament": "Singapore",
      "surface": "Carpet",
      "sec_added": "1.33",
      "year_start": "1996",
      "year_end": "1998"
    },
    {
      "tournament": "Los Angeles",
      "surface": "Hard",
      "sec_added": "1.38",
      "year_start": "1991",
      "year_end": "2012"
    },
    {
      "tournament": "Sao Paulo",
      "surface": "Hard",
      "sec_added": "1.4",
      "year_start": "1991",
      "year_end": "1992"
    },
    {
      "tournament": "Copenhagen",
      "surface": "Hard",
      "sec_added": "1.43",
      "year_start": "2000",
      "year_end": "2003"
    },
    {
      "tournament": "Split",
      "surface": "Carpet",
      "sec_added": "1.46",
      "year_start": "1998",
      "year_end": "1998"
    },
    {
      "tournament": "Marseille",
      "surface": "Carpet",
      "sec_added": "1.46",
      "year_start": "1993",
      "year_end": "1995"
    },
    {
      "tournament": "San Francisco",
      "surface": "Hard",
      "sec_added": "1.46",
      "year_start": "1992",
      "year_end": "1993"
    },
    {
      "tournament": "Indianapolis",
      "surface": "Hard",
      "sec_added": "1.47",
      "year_start": "1991",
      "year_end": "2009"
    },
    {
      "tournament": "Rotterdam",
      "surface": "Carpet",
      "sec_added": "1.47",
      "year_start": "1991",
      "year_end": "1999"
    },
    {
      "tournament": "Vienna",
      "surface": "Carpet",
      "sec_added": "1.53",
      "year_start": "1991",
      "year_end": "1998"
    },
    {
      "tournament": "Canada Masters",
      "surface": "Hard",
      "sec_added": "1.54",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "St. Petersburg",
      "surface": "Hard",
      "sec_added": "1.56",
      "year_start": "2000",
      "year_end": "2013"
    },
    {
      "tournament": "Tashkent",
      "surface": "Hard",
      "sec_added": "1.58",
      "year_start": "1997",
      "year_end": "2002"
    },
    {
      "tournament": "Dubai",
      "surface": "Hard",
      "sec_added": "1.58",
      "year_start": "1993",
      "year_end": "2015"
    },
    {
      "tournament": "Bordeaux",
      "surface": "Hard",
      "sec_added": "1.62",
      "year_start": "1991",
      "year_end": "1995"
    },
    {
      "tournament": "Brisbane",
      "surface": "Hard",
      "sec_added": "1.63",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Valencia",
      "surface": "Hard",
      "sec_added": "1.63",
      "year_start": "2009",
      "year_end": "2014"
    },
    {
      "tournament": "Stuttgart",
      "surface": "Clay",
      "sec_added": "1.65",
      "year_start": "2001",
      "year_end": "2014"
    },
    {
      "tournament": "Brasilia",
      "surface": "Carpet",
      "sec_added": "1.66",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Madrid Masters",
      "surface": "Hard",
      "sec_added": "1.69",
      "year_start": "2002",
      "year_end": "2008"
    },
    {
      "tournament": "Philadelphia",
      "surface": "Hard",
      "sec_added": "1.7",
      "year_start": "1997",
      "year_end": "1998"
    },
    {
      "tournament": "Beijing",
      "surface": "Hard",
      "sec_added": "1.71",
      "year_start": "1997",
      "year_end": "2014"
    },
    {
      "tournament": "Indian Wells Masters",
      "surface": "Hard",
      "sec_added": "1.72",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Toulouse",
      "surface": "Hard",
      "sec_added": "1.74",
      "year_start": "1991",
      "year_end": "2000"
    },
    {
      "tournament": "Santiago",
      "surface": "Clay",
      "sec_added": "1.82",
      "year_start": "1993",
      "year_end": "2013"
    },
    {
      "tournament": "Hong Kong",
      "surface": "Hard",
      "sec_added": "1.83",
      "year_start": "1991",
      "year_end": "2002"
    },
    {
      "tournament": "Schenectady",
      "surface": "Hard",
      "sec_added": "1.84",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Vienna",
      "surface": "Hard",
      "sec_added": "1.84",
      "year_start": "1999",
      "year_end": "2014"
    },
    {
      "tournament": "Miami Masters",
      "surface": "Hard",
      "sec_added": "1.9",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Power Horse Cup",
      "surface": "Clay",
      "sec_added": "1.93",
      "year_start": "2013",
      "year_end": "2013"
    },
    {
      "tournament": "Boston",
      "surface": "Hard",
      "sec_added": "1.98",
      "year_start": "1997",
      "year_end": "1999"
    },
    {
      "tournament": "Kuala Lumpur",
      "surface": "Hard",
      "sec_added": "2.03",
      "year_start": "2009",
      "year_end": "2014"
    },
    {
      "tournament": "Tel Aviv",
      "surface": "Hard",
      "sec_added": "2.07",
      "year_start": "1991",
      "year_end": "1996"
    },
    {
      "tournament": "Sun City",
      "surface": "Hard",
      "sec_added": "2.09",
      "year_start": "1994",
      "year_end": "1994"
    },
    {
      "tournament": "Chennai",
      "surface": "Hard",
      "sec_added": "2.09",
      "year_start": "1997",
      "year_end": "2015"
    },
    {
      "tournament": "Charlotte",
      "surface": "Clay",
      "sec_added": "2.11",
      "year_start": "1991",
      "year_end": "1993"
    },
    {
      "tournament": "Atlanta",
      "surface": "Clay",
      "sec_added": "2.11",
      "year_start": "1992",
      "year_end": "2001"
    },
    {
      "tournament": "Shenzhen",
      "surface": "Hard",
      "sec_added": "2.17",
      "year_start": "2014",
      "year_end": "2014"
    },
    {
      "tournament": "Stuttgart Outdoor",
      "surface": "Clay",
      "sec_added": "2.19",
      "year_start": "1991",
      "year_end": "2000"
    },
    {
      "tournament": "Ho Chi Minh City",
      "surface": "Carpet",
      "sec_added": "2.2",
      "year_start": "2005",
      "year_end": "2005"
    },
    {
      "tournament": "Curitiba CH",
      "surface": "Clay",
      "sec_added": "2.25",
      "year_start": "2010",
      "year_end": "2010"
    },
    {
      "tournament": "Ecuador Open Quito",
      "surface": "Clay",
      "sec_added": "2.27",
      "year_start": "2015",
      "year_end": "2015"
    },
    {
      "tournament": "Kitzbuhel",
      "surface": "Clay",
      "sec_added": "2.3",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Munich",
      "surface": "Clay",
      "sec_added": "2.31",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Tour Finals",
      "surface": "Hard",
      "sec_added": "2.33",
      "year_start": "1997",
      "year_end": "2014"
    },
    {
      "tournament": "Shanghai",
      "surface": "Hard",
      "sec_added": "2.38",
      "year_start": "1999",
      "year_end": "2004"
    },
    {
      "tournament": "Doha",
      "surface": "Hard",
      "sec_added": "2.39",
      "year_start": "1993",
      "year_end": "2015"
    },
    {
      "tournament": "Sopot - WS",
      "surface": "Clay",
      "sec_added": "2.4",
      "year_start": "2001",
      "year_end": "2001"
    },
    {
      "tournament": "Amsterdam",
      "surface": "Clay",
      "sec_added": "2.47",
      "year_start": "1995",
      "year_end": "2001"
    },
    {
      "tournament": "Nice",
      "surface": "Clay",
      "sec_added": "2.53",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Madrid Masters",
      "surface": "Clay",
      "sec_added": "2.55",
      "year_start": "2009",
      "year_end": "2014"
    },
    {
      "tournament": "Atlanta",
      "surface": "Hard",
      "sec_added": "2.55",
      "year_start": "2010",
      "year_end": "2014"
    },
    {
      "tournament": "Houston",
      "surface": "Clay",
      "sec_added": "2.56",
      "year_start": "2001",
      "year_end": "2015"
    },
    {
      "tournament": "St. Poelten",
      "surface": "Clay",
      "sec_added": "2.56",
      "year_start": "1994",
      "year_end": "2005"
    },
    {
      "tournament": "Belgrade",
      "surface": "Clay",
      "sec_added": "2.58",
      "year_start": "2009",
      "year_end": "2012"
    },
    {
      "tournament": "Tampa",
      "surface": "Clay",
      "sec_added": "2.61",
      "year_start": "1991",
      "year_end": "1993"
    },
    {
      "tournament": "Poertschach",
      "surface": "Clay",
      "sec_added": "2.65",
      "year_start": "2006",
      "year_end": "2008"
    },
    {
      "tournament": "Hamburg",
      "surface": "Clay",
      "sec_added": "2.7",
      "year_start": "2009",
      "year_end": "2014"
    },
    {
      "tournament": "Delray Beach",
      "surface": "Clay",
      "sec_added": "2.74",
      "year_start": "1999",
      "year_end": "1999"
    },
    {
      "tournament": "Sopot",
      "surface": "Clay",
      "sec_added": "2.8",
      "year_start": "2002",
      "year_end": "2007"
    },
    {
      "tournament": "Antwerp",
      "surface": "Hard",
      "sec_added": "2.82",
      "year_start": "1997",
      "year_end": "1998"
    },
    {
      "tournament": "Hilversum",
      "surface": "Clay",
      "sec_added": "2.86",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Sao Paulo",
      "surface": "Clay",
      "sec_added": "2.86",
      "year_start": "1993",
      "year_end": "2015"
    },
    {
      "tournament": "Bournemouth",
      "surface": "Clay",
      "sec_added": "2.88",
      "year_start": "1996",
      "year_end": "1999"
    },
    {
      "tournament": "Guaruja",
      "surface": "Hard",
      "sec_added": "2.88",
      "year_start": "1991",
      "year_end": "1992"
    },
    {
      "tournament": "Montevideo",
      "surface": "Clay",
      "sec_added": "2.89",
      "year_start": "1994",
      "year_end": "1995"
    },
    {
      "tournament": "Bastad",
      "surface": "Clay",
      "sec_added": "2.91",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Valencia",
      "surface": "Clay",
      "sec_added": "2.92",
      "year_start": "1995",
      "year_end": "2008"
    },
    {
      "tournament": "Amersfoort",
      "surface": "Clay",
      "sec_added": "2.93",
      "year_start": "2002",
      "year_end": "2008"
    },
    {
      "tournament": "Hamburg Masters",
      "surface": "Clay",
      "sec_added": "2.94",
      "year_start": "1991",
      "year_end": "2008"
    },
    {
      "tournament": "Singapore",
      "surface": "Hard",
      "sec_added": "2.96",
      "year_start": "1991",
      "year_end": "1999"
    },
    {
      "tournament": "Barcelona",
      "surface": "Clay",
      "sec_added": "3.06",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Masters Cup",
      "surface": "Hard",
      "sec_added": "3.06",
      "year_start": "2000",
      "year_end": "2008"
    },
    {
      "tournament": "Dusseldorf",
      "surface": "Clay",
      "sec_added": "3.1",
      "year_start": "1995",
      "year_end": "2014"
    },
    {
      "tournament": "Orlando",
      "surface": "Clay",
      "sec_added": "3.13",
      "year_start": "1997",
      "year_end": "2000"
    },
    {
      "tournament": "Casablanca",
      "surface": "Clay",
      "sec_added": "3.17",
      "year_start": "1992",
      "year_end": "2015"
    },
    {
      "tournament": "Oahu",
      "surface": "Hard",
      "sec_added": "3.19",
      "year_start": "1994",
      "year_end": "1994"
    },
    {
      "tournament": "Beijing Olympics",
      "surface": "Hard",
      "sec_added": "3.21",
      "year_start": "2008",
      "year_end": "2008"
    },
    {
      "tournament": "Marbella",
      "surface": "Clay",
      "sec_added": "3.21",
      "year_start": "1996",
      "year_end": "1997"
    },
    {
      "tournament": "Athens",
      "surface": "Clay",
      "sec_added": "3.25",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Estoril",
      "surface": "Clay",
      "sec_added": "3.26",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Coral Springs",
      "surface": "Clay",
      "sec_added": "3.26",
      "year_start": "1993",
      "year_end": "1998"
    },
    {
      "tournament": "Bermuda",
      "surface": "Clay",
      "sec_added": "3.27",
      "year_start": "1995",
      "year_end": "1996"
    },
    {
      "tournament": "Monte Carlo Masters",
      "surface": "Clay",
      "sec_added": "3.31",
      "year_start": "1991",
      "year_end": "2015"
    },
    {
      "tournament": "Mallorca",
      "surface": "Clay",
      "sec_added": "3.32",
      "year_start": "1998",
      "year_end": "2002"
    },
    {
      "tournament": "Umag",
      "surface": "Clay",
      "sec_added": "3.39",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Pinehurst",
      "surface": "Clay",
      "sec_added": "3.45",
      "year_start": "1994",
      "year_end": "1996"
    },
    {
      "tournament": "San Marino",
      "surface": "Clay",
      "sec_added": "3.45",
      "year_start": "1991",
      "year_end": "2000"
    },
    {
      "tournament": "Jakarta",
      "surface": "Hard",
      "sec_added": "3.45",
      "year_start": "1993",
      "year_end": "1996"
    },
    {
      "tournament": "Geneva",
      "surface": "Clay",
      "sec_added": "3.47",
      "year_start": "1991",
      "year_end": "1991"
    },
    {
      "tournament": "Mumbai",
      "surface": "Hard",
      "sec_added": "3.5",
      "year_start": "2006",
      "year_end": "2007"
    },
    {
      "tournament": "Acapulco",
      "surface": "Clay",
      "sec_added": "3.53",
      "year_start": "2001",
      "year_end": "2013"
    },
    {
      "tournament": "Warsaw",
      "surface": "Clay",
      "sec_added": "3.58",
      "year_start": "2008",
      "year_end": "2008"
    },
    {
      "tournament": "Madrid",
      "surface": "Clay",
      "sec_added": "3.61",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Buenos Aires",
      "surface": "Clay",
      "sec_added": "3.62",
      "year_start": "1993",
      "year_end": "2015"
    },
    {
      "tournament": "Masters Cup",
      "surface": "Carpet",
      "sec_added": "3.64",
      "year_start": "2005",
      "year_end": "2005"
    },
    {
      "tournament": "Cologne",
      "surface": "Clay",
      "sec_added": "3.67",
      "year_start": "1992",
      "year_end": "1992"
    },
    {
      "tournament": "Acapulco",
      "surface": "Hard",
      "sec_added": "3.71",
      "year_start": "2014",
      "year_end": "2015"
    },
    {
      "tournament": "Costa Do Sauipe",
      "surface": "Hard",
      "sec_added": "3.72",
      "year_start": "2001",
      "year_end": "2003"
    },
    {
      "tournament": "Taipei",
      "surface": "Carpet",
      "sec_added": "3.9",
      "year_start": "1992",
      "year_end": "1992"
    },
    {
      "tournament": "Vina del Mar",
      "surface": "Clay",
      "sec_added": "3.94",
      "year_start": "2001",
      "year_end": "2014"
    },
    {
      "tournament": "Palermo",
      "surface": "Clay",
      "sec_added": "3.98",
      "year_start": "1991",
      "year_end": "2006"
    },
    {
      "tournament": "Rome Masters",
      "surface": "Clay",
      "sec_added": "4.09",
      "year_start": "1991",
      "year_end": "2014"
    },
    {
      "tournament": "Bordeaux",
      "surface": "Clay",
      "sec_added": "4.11",
      "year_start": "1992",
      "year_end": "1992"
    },
    {
      "tournament": "Bucharest",
      "surface": "Clay",
      "sec_added": "4.14",
      "year_start": "1993",
      "year_end": "2015"
    },
    {
      "tournament": "Kuala Lumpur-2",
      "surface": "Hard",
      "sec_added": "4.18",
      "year_start": "1993",
      "year_end": "1993"
    },
    {
      "tournament": "Kuala Lumpur-1",
      "surface": "Hard",
      "sec_added": "4.2",
      "year_start": "1993",
      "year_end": "1993"
    },
    {
      "tournament": "Prague",
      "surface": "Clay",
      "sec_added": "4.29",
      "year_start": "1991",
      "year_end": "1999"
    },
    {
      "tournament": "Rio de Janeiro",
      "surface": "Clay",
      "sec_added": "4.4",
      "year_start": "2014",
      "year_end": "2014"
    },
    {
      "tournament": "Birmingham",
      "surface": "Clay",
      "sec_added": "4.49",
      "year_start": "1994",
      "year_end": "1994"
    },
    {
      "tournament": "Oporto",
      "surface": "Clay",
      "sec_added": "4.69",
      "year_start": "1995",
      "year_end": "1996"
    },
    {
      "tournament": "Genova",
      "surface": "Clay",
      "sec_added": "4.71",
      "year_start": "1991",
      "year_end": "1993"
    },
    {
      "tournament": "Bologna",
      "surface": "Clay",
      "sec_added": "4.74",
      "year_start": "1991",
      "year_end": "1998"
    },
    {
      "tournament": "Merano",
      "surface": "Clay",
      "sec_added": "4.93",
      "year_start": "1999",
      "year_end": "1999"
    },
    {
      "tournament": "Viña del Mar",
      "surface": "Clay",
      "sec_added": "4.96",
      "year_start": "2009",
      "year_end": "2009"
    },
    {
      "tournament": "Florence",
      "surface": "Clay",
      "sec_added": "5.08",
      "year_start": "1991",
      "year_end": "1994"
    },
    {
      "tournament": "Costa Do Sauipe",
      "surface": "Clay",
      "sec_added": "5.19",
      "year_start": "2004",
      "year_end": "2011"
    },
    {
      "tournament": "Maceio",
      "surface": "Clay",
      "sec_added": "5.28",
      "year_start": "1992",
      "year_end": "1992"
    },
    {
      "tournament": "Rio Open",
      "surface": "Clay",
      "sec_added": "5.38",
      "year_start": "2015",
      "year_end": "2015"
    }
  ],
  "meta": {
    "title": "Tennis Tournament Match Duration Trends - Free Download",
    "description": "Match duration trends for 205 tennis tournament-year combinations across 15 major tournaments from 1991 to 2014, measuring seconds added per year. Contains 205 records. Download in Excel, CSV, PDF formats.",
    "seo_title": "Tennis Tournament Match Duration Trends | ListBase",
    "seo_description": "Download Tennis Tournament Match Duration Trends — 205 records. Available in Excel, CSV, PDF formats.",
    "key_takeaways": [
      "Contains 205 records / 5 fields",
      "Available for free download in Excel, CSV, and PDF formats",
      "Data sourced from: https://github.com/vincentarelbundock/Rdatasets"
    ]
  }
}