Olivier Rochus is a retired Belgian tennis player. He is the younger brother of Christophe Rochus, also a former top-40 tennis player.
Filip Dewulf is a former professional male tennis player from Belgium.
Jan Hájek is a retired male professional tennis player from the Czech Republic. He reached the third round of the 2007 French Open and attained a career-high ATP singles ranking of World No. 71 in November 2006.
Steve Darcis is a Belgian retired professional tennis player. In his career, he won two ATP titles and achieved a career-high singles ranking of world No. 38 on 22 May 2017.
The 1990 Dutch Open was an ATP men's tennis tournament staged in Hilversum, Netherlands. The tournament was held from 23 July until 29 July 1990. Spain's Francisco Clavet won his first individual title of the year, and first of his career. Unseeded Francisco Clavet won the singles title.
Marius Copil is a Romanian professional tennis player playing on the ATP World Tour and ATP Challenger Tour. He is a member of the Romanian Davis Cup team. Copil is known for his extremely fast, powerful, and consistent serve.
The 1989 Lorraine Open was a men's tennis tournament played on indoor carpet courts in Nancy, France, and was part of the 1989 Nabisco Grand Prix. The tournament took place from 27 February through 5 March 1989. It was the 11th and final edition of the tournament. Third-seeded Guy Forget won the singles title.
Ruben Bemelmans is a Belgian former professional tennis player. He has a career-high ATP ranking of world No. 84 in singles, achieved on 28 September 2015, and world No. 128 in doubles, achieved on 1 October 2012. Bemelmans competed mainly in the Challenger tour circuit.
Attila Balázs is a Hungarian professional tennis player. He has a career-high singles ATP ranking of No. 76 achieved on 2 March 2020. He is a seven time Hungarian National Tennis Champion; after Béla von Kehrling, József Asbóth and István Gulyás, he is the fourth Hungarian player who was able to win at least 6 consecutive National Championships.
David Goffin is a Belgian professional tennis player. His career-high singles ranking is world No. 7. He is currently the Belgian No. 1, and the first Belgian man to be ranked in the top 10. Goffin has won six ATP titles and reached nine other finals, most notably at the 2017 ATP Finals.
Kenny de Schepper is a French professional tennis player.
Bart Wuyts is a former professional tennis player from Belgium.
Johan Van Herck is a Belgian tennis coach and former professional player.
Roberto Carballés Baena is a Spanish tennis player. He achieved a career-high ATP singles ranking of world No. 71 on 15 November 2021. His preferred surface is clay, on which he has won one ATP title and 19 ITF titles in singles.
Thiago Moura Monteiro is a Brazilian professional tennis player.
Kaichi Uchida is a Japanese professional tennis player.
Luca Masso is an Argentine field hockey player. He was part of the Argentine team that won gold in men's field hockey at the 2016 Summer Olympics in Rio de Janeiro. He also holds Belgian nationality.
Francisco Cerúndolo is an Argentine professional tennis player. He has won one ATP singles title.
Zizou Bergs is a Belgian professional tennis player. He has a career high ATP singles ranking of World No. 128 achieved on 26 September 2022. He also has a career high ATP doubles ranking of World No. 449 achieved on 25 October 2021. He is currently the No. 2 Belgian singles tennis player.
Luca Van Assche is a Belgian-born French tennis player.
Belgium 
