Rainer Schüttler is a German former professional tennis player. Schüttler was the runner-up at the 2003 Australian Open and a semifinalist at the 2008 Wimbledon Championships. He won an Olympic silver medal in doubles at the 2004 Athens Olympics, and achieved a career-high ranking of world No. 5 in April 2004.
Sergi Bruguera i Torner is a Spanish former professional tennis player and coach. He won consecutive men's singles titles at the French Open in 1993 and 1994, a silver medal at the 1996 Atlanta Olympics in men's singles and reached a career-high ranking of No. 3 in August 1994.
Horst Skoff was a professional tennis player from Austria, who won four tournaments at the top-level.
Ronald Jean-Martin Agénor is a former professional tennis player who represented Haiti during his playing career. He is the only Haitian to have ever earned a Top 25 world ranking in singles, reaching a highest singles ranking of world No. 22 in May 1989. During his career he won three ATP tour singles titles.
Mark Koevermans is a former tennis player from the Netherlands, who turned professional in 1987. He represented his native country as a lucky loser at the 1992 Summer Olympics in Barcelona, where he was defeated in the third round by Brazil's Jaime Oncins. Going by the nickname Koef, a right-hander, won one career title in singles. He reached his highest singles ATP-ranking on 27 May 1991, when he was ranked number 37.
Mansour Bahrami is a former professional tennis player. He is Iranian with French nationality since 1989. While not highly successful on the ATP Tour, his showmanship has made him a long-standing and popular figure in invitational tournaments.
Jorge Lozano is a retired professional tennis player from Mexico. He reached his highest doubles ranking of World No. 4 in August 1988. His highest singles ranking was World No. 51, achieved the following month. During his career, he won two mixed doubles titles at the French Open: in 1988 with Lori McNeil and in 1990 with Arantxa Sánchez. He reached the round of 16 in singles at the 1988 US Open and also the semifinal in doubles that same year. Qualified twice for the Doubles Masters at the Royal Albert Hall in London and reached the semifinals in 1988. In his career, he won nine doubles titles, but no singles titles. He turned professional in 1986, and in his career He was the first player to be beaten by Pete Sampras in the main draw of a Grand Slam tournament, at the French Open in 1989. In Davis Cup play, represented Mexico for 15 years, 1981–1995, won 12 doubles matches, and lost 12 as well. He lost 11 singles matches, and won 8, making his overall win / loss record at the Davis Cup 20–23. Lozano won his first title at Forest Hills in 1988, with his partner Todd Witsken, and won his last at Athens in 1993. He resides in Guadalajara, Mexico where he directs a tennis academy for kids and also coaches the men and women tennis team at the University Tec de Monterrey. He was the captain of the Mexican Davis Cup Team from 2007 to 2014. He is now the Athletic Director for the University Tec de Monterrey, campus Guadalajara.
The 2004 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2004 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.
Bruno Orešar is a Croatian businessman and former professional tennis player who competed for Yugoslavia.
Alexandros Jakupović is a Greek former tennis player who was banned for life in November 2015 by the Tennis Integrity Unit.
The 1989 Athens Open was a men's tennis tournament played on outdoor clay courts in Athens in Greece that was part of the 1989 Nabisco Grand Prix. It was the fourth edition of the tournament and was held from 10 April through 16 April 1989. Second-seeded Ronald Agénor won the singles title.
Rikard Bergh and Per Henricsson were the defending champions but did not compete that year.
Josef Čihák is a former professional tennis player from the Czech Republic who competed for Czechoslovakia. He now works as a tennis coach at TK Sparta Prague.
Martin Střelba is a former professional tennis player from the Czech Republic.
Cecilia Dahlman is a retired Swedish tennis player, who played professionally between mid 1980s and 1993.
Gustavo Giussani is a former professional tennis player from Argentina.
Gerardo López Villaseñor is an inactive Mexican professional tennis player. He has a career-high ATP ranking of 505 achieved on 17 February 2020.
Jana Rychlá is a former professional tennis player from the Czech Republic.
Gerardo Martínez is a Mexican former professional tennis player.
Gerardo Vacarezza is a Chilean former professional tennis player.
Argentina 
