Ivan Dodig is a Croatian professional tennis player who primarily specialises in doubles. He reached his career-high doubles ranking of world No. 2 in September 2023.
Horacio Zeballos Jr. is an Argentine professional tennis player. His career-high singles ranking is world No. 39, achieved in March 2013, and his career-high doubles ranking is world No. 3, achieved in September 2019. In doubles, he has reached the men's doubles finals at the 2019 US Open and at Wimbledon in 2021 and 2023 alongside Marcel Granollers. In singles, he has reached the fourth round at the French Open, doing so in 2017.
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.
John-Patrick Tracey "JP" Smith is an Australian professional tennis player who competes mainly on the ATP Challenger Tour, both in singles and doubles. He attended the University of Tennessee from 2007 through 2011 where he was a four-time All-American and made it to the college No. 1 ranking in both singles and doubles. Smith reached his highest ATP singles ranking of No. 108 on 28 September 2015, and his highest ATP doubles ranking of No. 52 on 11 September 2017.
Naoki Nakagawa is a Japanese tennis player.
Marc David Polmans is a South African-born Australian professional tennis player. Polmans has a career high ATP singles ranking of World No. 116 achieved on 12 October 2020. He also has a career high ATP doubles ranking of World No. 68 achieved on 16 October 2017. He won the 2015 Australian Open boys' doubles title with fellow Australian Jake Delaney, defeating Hubert Hurkacz and Alex Molčan in the final. He reached the semifinal of the 2017 Australian Open doubles with Andrew Whittington.
Dean Kevin O'Brien is a South African tennis player. He played college tennis for the Georgia Tech Yellow Jackets.
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.
Christopher Eubanks is an American professional tennis player. He played college tennis for the Georgia Tech Yellow Jackets. There, he was a two-time All-American and twice named ACC Player of the Year. He has a career-high ATP singles ranking of world No. 29, achieved on July 31, 2023. In doubles, he achieved a career-high ranking of world No. 182 on September 14, 2020.
Sun Fajing is a Chinese tennis player.
Daniel Cukierman is an Israeli tennis player.
William Blumberg is an American professional tennis player. A former college player at the University of North Carolina at Chapel Hill, Blumberg has a career-high doubles ranking of world No. 74 achieved on September 12, 2022. He reached a career-high of World No. 438 in singles on February 18, 2019.
André Göransson is a Swedish tennis player. He has a career-high ATP singles ranking of world No. 773, achieved on 25 September 2017, and in doubles a ranking of world No. 55, achieved on 3 April 2023. He is the current number one Swedish doubles player. Göransson has won seven ATP Challenger doubles titles and two Futures doubles titles.
Szymon Walków is a Polish tennis player who specialises in doubles. He has a career high ATP singles ranking of World No. 818 achieved on 3 December 2018. He also has a career high doubles ranking of World No. 86 achieved on 13 June 2022. He has reached one ATP doubles final. Additionally, he has reached 40 career doubles finals with a record of 23 wins and 17 losses, which includes a 11–7 record in ATP Challenger Tour doubles finals. He reached one singles final, winning the title at the Poland F4 futures tournament in Koszalin in 2018.
Eliot Spizzirri is an American tennis player. Spizzirri has a career-high ATP singles ranking of No. 620 on 25 July 2022 and a doubles ranking of No. 795 on 13 September 2021. Spizzirri won the 2019 US Open – Boys' doubles title with fellow American Tyler Zink.
Jan Zieliński is a Polish professional tennis player who specializes in doubles. He has an ATP career-high doubles ranking of world No. 7, which he attained on 19 June 2023. His highest ranking in singles has been No. 769, achieved on 20 September 2021.
Nathaniel Schnugg, also known as "Nate", is an American tennis player.
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.
Brandon Walkin is an Australian tennis player.
United States 
