| Singles | |
|---|---|
| 1989 Swatch Open | |
| Champion |  Andrei Chesnokov |
| Runner-up |  Jérôme Potier |
| Final score | 6–4, 6–4 |
| Draw | 32 |
| Seeds | 8 |
Henri Leconte was the defending champion but lost in the second round to Goran Ivanišević.
Andrei Chesnokov won in the final 6–4, 6–4 against Jérôme Potier.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Kent Carlsson (first round) Henri Leconte (second round)
Guillermo Pérez Roldán (quarterfinals)
Ronald Agénor (second round) Alberto Mancini (quarterfinals) Andrei Chesnokov (champion)
Horst Skoff (second round)
Jordi Arrese (second round)Stefan Edberg defeated Boris Becker in the final, 4–6, 7–6(7–2), 6–4, 6–2 to win the gentlemen's singles tennis title at the 1988 Wimbledon Championships.
Mats Wilander defeated Henri Leconte in the final, 7–5, 6–2, 6–1 to win the men's singles tennis title at the 1988 French Open. It was his third and final French Open singles title. Leconte remains the most recent Frenchman to reach the final.
Ramesh Krishnan was the defending champion but lost in the semifinals to Scott Davis.
Michael Stich defeated Andrei Chesnokov in the final, 6–3, 6–7(1–7), 7–6(9–7), 6–4 to win the 1993 Hamburg European Open.
Andriy Medvedev defeated Yevgeny Kafelnikov in the final, 6–4, 6–4, 3–6, 6–3 to win the singles tennis title at the 1994 Hamburg European Open.
Andrei Chesnokov defeated Thomas Muster in the final, 7–5, 6–3, 6–3 to win the singles tennis title at the 1990 Monte Carlo Open.
Stefan Edberg won the singles tennis title at the 1990 Paris Open after the defending champion Boris Becker retired in the final, with the scoreline at 3–3.
Tim Mayotte was the defending champion but lost in the semifinals to Brad Gilbert.
Brad Gilbert was the defending champion but lost in the second round to Cristiano Caratti.
Derrick Rostagno was the defending champion but lost in the semifinals to Goran Ivanišević.
Andriy Medvedev was the defending champion but lost in the quarterfinals to Marc Rosset.
Karel Nováček was the defending champion, but the second seeded Czech lost in the first round to Andrei Cherkasov. Carlos Costa won in the final 6–1, 6–2, 6–3 against Magnus Gustafsson and captured his third individual title at the ATP Tour.
Carlos Costa was the defending champion, but the second seeded Spaniard lost in the first round to Marcelo Filippini because he had to retire. Karel Nováček won in the final 7–5, 6–4, 7–6(9–7) against Richard Fromberg and captured his third title in Hilversum.
Ivan Lendl was the defending champion but did not compete that year.
John Fitzgerald was the defending champion but did not compete that year.
Kelly Evernden was the defending champion but lost in the first round to Lars-Anders Wahlgren.
Mats Wilander was the defending champion, but lost to Claudio Pistolesi in the third round.
The 1988 Grand Prix de Tennis de Toulouse was a men's tennis tournament played on indoor carpet courts in Toulouse, France that was part of the Regular Series of the 1988 Grand Prix tennis circuit. It was the seventh edition of the tournament and was held from 10 October – 16 October.
The 1990 Grand Prix de Tennis de Toulouse was a men's tennis tournament played on indoor carpet courts in Toulouse, France that was part of the World Series of the 1990 ATP Tour. It was the ninth edition of the tournament and was held from 1 October – 7 October.
The 1993 Grand Prix de Tennis de Toulouse was a men's tennis tournament played on indoor carpet courts in Toulouse, France that was part of the World Series of the 1993 ATP Tour. It was the twelfth edition of the tournament and was held from 4 October – 10 October.
