Karl Thomas Conny Johansson is a Swedish retired professional tennis player and coach. He reached a career-high Association of Tennis Professionals (ATP) world No. 7 singles ranking on 10 May 2002. His career highlights in singles include a Grand Slam title at the Australian Open in 2002, and an ATP Masters Series title at the 1999 Canada Masters. He also won a silver medal at the 2008 Summer Olympics in men's doubles, partnering Simon Aspelin.
Cristiano Caratti is a former ATP Tour tennis player from Italy. He reached the quarterfinals of the 1991 Australian Open and the 1991 Miami Masters.
Aisam-ul-Haq Qureshi is a Pakistani professional tennis player who specialises in doubles. He is the only Pakistani player ever to reach a Grand Slam final, having done so in both men's and mixed doubles at the 2010 US Open, alongside Rohan Bopanna and Květa Peschke respectively. Qureshi has also reached seven further major semifinals across the two disciplines. He reached his career-high doubles ranking of world No. 8 in June 2011, and has won 18 titles on the ATP Tour, including the 2011 Paris Masters and 2013 Miami Open, with Bopanna and Jean-Julien Rojer respectively. Qureshi has also qualified for the ATP Finals in doubles on three occasions.
Nicolas Pierre Armand Mahut is a French professional tennis player who is a former world No. 1 in doubles.
Sébastien LeBlanc is a former Canadian tour professional tennis player. Leblanc captured three junior Grand Slam titles and played Davis Cup for Canada. More of a doubles specialist, he won five Challenger events in doubles and reached a career-high doubles ranking of World No. 127.
Jocelyn Robichaud is a former tour professional tennis player. Robichaud captured three junior Grand Slam titles and played Davis Cup for Canada. More of a doubles specialist, he won three Challenger events in doubles and reached a career-high ATP doubles ranking of World No. 119.
Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 4 November 2019 and doubles ranking of No. 102 on 20 August 2018. He has won eight ITF Futures singles titles and reached the final of the Lexington Challenger in August 2015, losing to John Millman in three sets.
Stefan Kozlov is an American professional tennis player of Russian descent. He has a career-high ATP ranking of world No. 103 achieved on 18 July 2022 and doubles ranking of world No. 180 on 19 June 2017.
Thiago Moura Monteiro is a Brazilian professional tennis player.
Enzo Couacaud is a French-Mauritian professional tennis player. He has a career high singles ranking of world No. 151, which he achieved on 17 July 2023 and a doubles ranking of world No. 188 achieved on 8 March 2021.
Miomir Kecmanović is a Serbian professional tennis player. Kecmanović reached his best singles ranking of world No. 27 on 16 January 2023 and he peaked at world No. 135 on 10 April 2023 in the doubles rankings. He has won one singles and one doubles ATP titles, as well as two Challenger titles in his career. He is currently the No. 4 Serbian player.
Máté Valkusz is a Hungarian professional tennis player. Valkusz has a career-high ATP singles ranking of No. 204, achieved on 12 June 2023.
Yshai Oliel is an Israeli tennis player. He has a career-high ATP singles ranking of world No. 305 achieved on 8 August 2022 and a doubles ranking of No. 809 achieved on 27 June 2022.
Pedro Martínez Portero is a Spanish professional tennis player. Martínez has a career high ATP singles ranking of World No. 40 achieved on 9 May 2022. He also has a career high ATP doubles ranking of World No. 51 achieved on 16 May 2022.
Nuno Borges is a Portuguese professional tennis player. Borges has a career high ATP singles ranking of world No. 46 achieved on 12 February 2024 and a doubles ranking of world No. 69 achieved on 19 September 2022. He is currently the No.1 ranked Portuguese player.
Arthur Fils is a French professional tennis player. He has a career-high ATP singles ranking of world No. 30, achieved on 20 May 2024 and a doubles ranking of No. 459, achieved on 18 July 2022. Fils won his first ATP Tour singles title in Lyon in 2023. He is currently the No. 3 French player.
Bruno Kuzuhara is an American tennis player. He has a career-high ranking of No. 436 achieved on 27 May 2024. He won the 2022 Australian Open Juniors singles and doubles events.
Coleman Wong Chak-lam is a tennis player from Hong Kong. He has a career high ATP singles ranking of No. 180, achieved on 6 May 2024, and doubles ranking of No. 564, achieved on 18 September 2023. As the first-ever male Hong Kong tennis player to crack the top 300 and the top 200 in the ATP singles rankings, he is also the highest-ranked male Hong Kong tennis player in history.
Jakub Menšík is a Czech professional tennis player. He has a career-high ATP singles ranking of world No. 65 achieved on 6 May 2024 and a doubles ranking of No. 402 achieved on 12 June 2023. He is currently the No. 3 Czech in singles and the youngest player in the top 100.
Petr Nesterov is a Bulgarian tennis player. He has a career-high ATP singles ranking of World No. 491 achieved on 30 May 2024, whilst his best doubles ranking is No. 383 achieved on 17 July 2023. Nesterov reached the final of the 2021 US Open Junior doubles with Ukrainian Viacheslav Bielinskyi.
Paraguay 
