Lee Hyung-taik is a former professional tennis player from South Korea. He won one singles title and achieved a career-high singles ranking of world No. 36, in August 2007.
Tom Gorman is a retired ATP tour American tennis player and coach. He won 7 singles and 9 doubles titles and reached semi-finals in the 3 of the 4 ATP tour grand slam events. His ATP ranking peaked at 8 in 1973.
Danai Udomchoke is a former professional tennis player from Thailand. He was born in Bangkok, where he still resides.
Morten Christensen is a former tennis player from Denmark.
Ricardo Augusto Amaral Acioly is a former tennis player from Brazil. He has what is considered by many one of the most complete and successful careers in Brazilian tennis, having been recognized Internationally as a player, coach, executive, tournament promoter, and sports commentator.
Cecil Valdeavilla Mamiit is a former tennis player from the United States who went on to represent the Philippines. He began his professional career in 1996 and reached his highest individual ranking in the ATP Tour on October 11, 1999 as World No. 72.
The 2003 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2003 tennis season. The ATP Tour is the elite tour for professional tennis organised by the ATP. 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.
Rafael Arévalo González is a retired professional tennis player from El Salvador. The majority of Arévalo's professional career has been restricted to playing on the Futures (ITF) circuit, with a further 22 appearances for the El Salvador Davis Cup team; he also encountered modest success in the juniors, reaching a peak of No. 10 in 2004. However, in 2008, aided by the Salvadoran Tennis Federation, he was awarded an invitation to the 2008 Beijing Olympics tennis tournament. The Tripartite Commission, which issued the invitation, is composed of representatives from International Olympic Committee (IOC), National Olympic Committees (NOCs), and the International Tennis Federation (ITF), and it is standard practice to award such invitations to countries with small Olympic teams. Arévalo was the first player from El Salvador to represent the country, in a tennis competition, at the Olympics. Arévalo defeated Lee Hyung-taik in three sets in the first round, before being beaten by Swiss World No. 1 Roger Federer in the second. Later that year, Arévalo won his only ATP Challenger Tour match, beating Borja Malo in Quito, before losing to Julio Cesar Campozano.
Gouichi Motomura is a retired Challenger tour and Japan Davis Cup team tennis player. Over a 16-year period, Motomura captured four Challenger titles, all in doubles, and is tied for the most Davis Cup ties played by a Japanese player, with 23. His career high singles ranking is World No. 134 and doubles ranking is World No. 159.
Steven Downs is a former professional tennis player from New Zealand.
Kwon Soon-woo is a South Korean professional tennis player. He has been ranked as high as world No. 52 ranking by the ATP, achieved in November 2021 and a doubles ranking of world No. 227, attained in October 2022. Kwon has won two ATP, three ATP Challenger Tour and five ITF World Tennis Tour singles titles.
Mark Ferreira is a former professional tennis player from India. He is the son of former Indian billiards player Michael Ferreira.
An Jae-sung is a retired South Korean tennis player.
Kim Dong-hyun is a former professional tennis player from South Korea.
Kim Sun-yong Jr. is a South Korean former professional tennis player.
Takahiro Terachi is a former professional tennis player from Japan.
Bae Nam-ju is a Korean former professional tennis player.
Edi Kusdaryanto is an Indonesian former professional tennis player. He represented Indonesia in the Davis Cup and made an ATP Tour main draw appearance in the doubles of the 1996 Indonesia Open.
Scott Michael Anderson Clark is a New Zealand former professional tennis player.
Lee Jong-min is a South Korean former professional tennis player.
South Korea 