Daniel Mark Nestor is a Canadian former professional tennis player.
Dominik Hrbatý is a Slovak former professional tennis player. Hrbatý reached the semifinals of the 1999 French Open, and achieved a career-high singles ranking of world No. 12 in October 2005. Hrbatý is one of only three players, alongside Nick Kyrgios and Lleyton Hewitt, to have beaten each member of the Big Three the first time he played them.
The 2006 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2006 tennis season. The ATP Tour is the elite tour for professional tennis organized by the Association of Tennis Professionals. The ATP Tour includes the four Grand Slam tournaments, the Tennis Masters Cup, the ATP Masters Series, the International Series Gold and the International Series tournaments.
Stephen Huss is a former professional tennis player from Australia. Huss played tennis collegiately at Auburn University in the United States from 1996 to 2000, where he was an All-American in doubles in 1998 and in singles in 2000.
Rajeev Ram is an American professional tennis player who is a former world no. 1 in doubles.
Yuri Schukin is a retired Russian-born Kazakhstani tennis player.
Filip Polášek is an inactive 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 2001 Citrix Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Delray Beach Tennis Center in Delray Beach, Florida in the United States and was part of the International Series of the 2001 ATP Tour. It was the ninth edition of the tournament and ran from March 5 through March 11, 2001. Fourth-seeded Jan-Michael Gambill won the singles title.
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.
Kevin Krawietz is a German professional tennis player who specialises in doubles.
Marcelo Arévalo González is a Salvadoran professional tennis player. He has been ranked as high as world No. 5 in doubles by the ATP, achieved on 14 November 2022 and No. 139 in singles, attained in April 2018, making him the highest-ranked player, male or female, across both disciplines in Salvadoran tennis history.
Nikola Mektić is a Croatian professional tennis player who is a former world No. 1 in doubles.
Harri Heliövaara is a Finnish professional tennis player. He has been ranked by the Association of Tennis Professionals (ATP) as high as world No. 7 in doubles, which he first achieved on 12 June 2023. He also attained his career-high singles ranking of world No. 194 in December 2011. Heliövaara has won seven career doubles titles on the ATP Tour, and is a two-time major champion in both men's doubles and mixed doubles.
Jackson Withrow is an American professional tennis player. Withrow has a career-high ATP doubles ranking of World No. 16 achieved on 19 February 2024. Withrow has won seven ATP doubles titles. He played college tennis at Texas A&M.
Austin Krajicek is an American professional tennis player. He has been ranked as high as world No. 1 in doubles by the Association of Tennis Professionals (ATP), which he first achieved in June 2023, and he also attained his career-high singles ranking of world No. 94 in October 2015.
Neal Skupski is a British professional tennis player who is a former world No. 1 in doubles.
Wesley Koolhof is a Dutch professional tennis player who is a former world No. 1 in doubles.
Lucas Miedler is an Austrian professional tennis player. He has a career-high ATP doubles ranking of world No. 33 achieved 8 May 2023. He has a career high singles ranking of No. 201 achieved on 15 October 2018. He has won five doubles titles on the ATP Tour with compatriot Alexander Erler, at home tournaments in 2021 Kitzbühel, in Vienna and 2023 Kitzbühel, and in Acapulco and Munich.
Tristan-Samuel Weissborn is an Austrian professional tennis player who specializes in doubles.
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.
South Africa 
