The 1999 ATP Tour World Championships was a men's tennis tournament played on indoor carpet courts. The surface was called "GreenSet On Wood" which had a wood base coated in synthetic material and provided a medium-pace surface. It was the 30th edition of the year-end singles championships, the 26th edition of the year-end doubles championships, and both were part of the 1999 ATP Tour. The singles event took place at the EXPO 2000 Tennis Dome in Hanover, Germany, from November 23 through November 28, 1999, and the doubles event at the Hartford Civic Center in Hartford, Connecticut, United States, from 17 November through 21 November 1999.
The 1998 ATP Tour World Championships was a tennis tournament played on indoor carpet courtss. The surface was called "GreenSet On Wood" which had a wood base coated in synthetic material and provided a medium-pace surface. It was the 29th edition of the year-end singles championships, the 25th edition of the year-end doubles championships, and both were part of the 1998 ATP Tour. The singles event took place at the EXPO 2000 Tennis Dome in Hanover, Germany, from 24 November through 29 November 1998, and the doubles event at the Hartford Civic Center in Hartford, Connecticut, United States, from 18 November through 22 November 1998.
David Macpherson is a former professional male tennis player on the ATP Tour. He is the current coach of John Isner and the former coach of Bob and Mike Bryan.
Filip Polášek is a Slovak professional tennis player who specialises in doubles. He reached his highest doubles ranking of world No. 7 in February 2020, and has won 17 titles on the ATP Tour. He was forced to retire in 2013 due to health issues, but returned in 2018 and began the most successful phase of his career. Polášek won his first Grand Slam title at the 2021 Australian Open alongside Ivan Dodig, and also won the 2019 Cincinnati Masters and 2021 Indian Wells Masters, with Dodig and John Peers respectively. Polášek was the first Slovak man to reach, or win a major doubles final. He also reached the semifinals at the 2019 Wimbledon Championships, 2020 Australian Open and 2021 US Open. He qualified for the ATP Finals in both 2019 and 2021. Polášek has represented Slovakia in the Davis Cup since 2008, and also competed at the 2020 Summer Olympics partnering Lukáš Klein.
The Association of Tennis Professionals (ATP) Tour is the elite professional tennis circuit organised by the ATP tour. The 2000 ATP Tour calendar comprises the Grand Slam tournaments, the tennis event at the 2000 Summer Olympics, the Tennis Masters Series, the ATP International Series Gold, the ATP International Series, the ATP World Team Cup, the Tennis Masters Cup and the ATP Tour World Doubles Championships. Also included in the 2000 calendar are the Davis Cup and the Hopman Cup, which do not distribute ranking points, and are both organised by the ITF.
The Association of Tennis Professionals (ATP) World Tour is the elite professional tennis circuit organized by the ATP. The 2010 ATP World Tour calendar comprises the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the ATP World Team Championship, the Davis Cup, and the ATP World Tour Finals. Also included in the 2010 calendar is the Hopman Cup, which does not distribute ranking points, and is organized by the ITF.
The 2011 ATP World Tour was the elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2011 season. It was the 42nd edition of the tour and the calendar comprised the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the ATP World Team Championship, the Davis Cup, and the ATP World Tour Finals. Also included in the 2011 calendar is the Hopman Cup, which does not distribute ranking points, and is organized by the ITF.
The 2012 ATP World Tour is the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2012 tennis season. The 2012 ATP World Tour calendar comprises the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the ATP World Team Championship, the Davis Cup, the ATP World Tour Finals, and the tennis event at the London Summer Olympic Games. Also included in the 2012 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
John Paul Fruttero is an American professional tennis player. He competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles. He reached his highest ATP singles ranking, No. 183 on November 21, 2005, and his highest ATP doubles ranking, No. 83, on May 7, 2012.
The 2013 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2013 tennis season. The 2013 ATP World Tour calendar comprises the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup and the ATP World Tour Finals. Also included in the 2013 calendar is the Hopman Cup, which was organized by the ITF and does not distribute ranking points.
The 1981 South African Open was a men's tennis tournament played on outdoor hard courts in Johannesburg, South Africa that was part of the 1981 Volvo Grand Prix. It was the 78th edition of the tournament and was held from 21 November through 28 November 1981. First-seeded Vitas Gerulaitis won the singles title.
Neal Skupski is a British professional tennis player who is currently jointly ranked world No. 1 in doubles.
The 2016 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2016 tennis season. The 2016 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000s, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup, and the ATP World Tour Finals. Also included in the 2016 calendar were the tennis events at the 2016 Summer Olympics and Hopman Cup, neither of which distributed ranking points.
The 2017 ATP World Tour was the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2017 tennis season. The 2017 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP Finals, the ATP World Tour 500 series, the ATP World Tour 250 series and the Davis Cup. Also included in the 2017 calendar are the Hopman Cup and the Next Gen ATP Finals, which do not distribute ranking points.
The 2018 ATP World Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2018 tennis season. The 2018 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP Finals, the ATP World Tour 500 series, the ATP World Tour 250 series and the Davis Cup. Also included in the 2018 calendar are the Hopman Cup and the Next Gen ATP Finals, which do not distribute ranking points.
Keith Richardson is a former professional tennis player from the United States. He is a member of both the North Carolina and South Carolina Tennis Hall of Fame.
The 1980 Mercedes Cup was a men's tennis tournament played on outdoor clay courts and held at the Tennis Club Weissenhof in Stuttgart, West Germany that was part of the 1980 Grand Prix circuit. It was the third edition of the tournament and was held from 14 July until 20 July 1980. First-seeded Vitas Gerulaitis won the singles title.
The 2020 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2020 tennis season. The 2020 ATP Tour calendar was composed of the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series, the ATP Tour 250 series, and the Davis Cup. Also included in the 2020 calendar were the tennis events at the Next Generation ATP Finals, and the Laver Cup, neither of which distributed ranking points. Several tournaments were suspended or postponed due to the COVID-19 pandemic, including the Summer Olympics in Tokyo. On 17 June 2020, ATP issued the revised calendar for Tour resumption.
The 2022 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2022 tennis season. The 2022 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP 500 series and the ATP 250 series. Also included in the 2022 calendar were the Davis Cup, Wimbledon, the Next Gen ATP Finals, and Laver Cup, none of which distributed ranking points. As part of international sports' reaction to the Russian invasion of Ukraine, the ATP, the WTA, the ITF, and the four Grand Slam tournaments jointly announced on 1 March that players from Belarus and Russia would not be allowed to play in tournaments under the names or flags of their countries, but would remain eligible to play events until further notice. On 20 May 2022, the ATP, ITF, and WTA announced that ranking points would not be awarded for Wimbledon, due to the All England Club's decision to prohibit players from Belarus or Russia from participating in the tournament.
The 2023 ATP Tour is the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2023 tennis season. The 2023 ATP Tour calendar comprises the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Finals, the ATP Tour Masters 1000, the United Cup, the ATP 500 series and the ATP 250 series. Also included in the 2023 calendar are the Davis Cup, Next Gen ATP Finals, Laver Cup, and Hopman Cup, none of which distribute ranking points. 2023 marks the return of the ATP tournaments in China after strict COVID-19 protocols in the country.
South Africa 
