| Singles | |
|---|---|
| 1989 Los Angeles Open | |
| Champion |  Aaron Krickstein |
| Runner-up | Michael Chang |
| Score | 2–6, 6–4, 6–2 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Mikael Pernfors was the defending champion but lost in the quarterfinals to Brad Gilbert.
Aaron Krickstein won in the final 2–6, 6–4, 6–2 against Michael Chang.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Michael Chang (final) Brad Gilbert (semifinals) Tim Mayotte (first round)
Mats Wilander (first round) Aaron Krickstein (champion) Kevin Curren (quarterfinals)
Christo van Rensburg (first round) Mikael Pernfors (quarterfinals)Boris Becker defeated the defending champion Stefan Edberg in a rematch of the previous year's final, 6–0, 7–6(7–1), 6–4 to win the gentlemen's singles tennis title at the 1989 Wimbledon Championships. It was his third Wimbledon singles title.
Ivan Lendl defeated Miloslav Mečíř in the final, 6–2, 6–2, 6–2 to win the men's singles tennis title at the 1989 Australian Open.
Brad Gilbert was the defending champion, but lost in the first round this year.
Andre Agassi defeated Jason Stoltenberg in the final, 6–4, 6–4 to win the men's singles tennis title at the 1994 Canadian Open.
Stefan Edberg defeated the defending champion Brad Gilbert in the final, 6–1, 6–1 to win the singles tennis title at the 1990 Cincinnati Masters.
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.
Amos Mansdorf was the defending champion but lost in the first round to Michael Chang.
Tennis championship held in 1987. Ivan Lendl was the defending champion but lost in the final 7–5, 6–2, 7–5 to Miloslav Mečíř.
Boris Becker was the two-time defending champion but lost in the third round to Jay Berger.
Boris Becker was the defending champion but did not compete that year.
John McEnroe was the defending champion but lost in the semifinals to Boris Becker.
Andre Agassi was the defending champion but lost in the third round to Johan Kriek.
Andre Agassi was the defending champion but lost in the semifinals to Ivan Lendl.
Mikael Pernfors was the defending champion but did not participate that year.
This was the first edition of the event.
Second-seeded Andrés Gómez defeated Thierry Tulasne in the final to claim his second U.S. Clay Courts title and $51,000 prize money.
First-seeded Pete Sampras was the defending champion, and won the title again defeating Michael Chang in the final 6–4, 6–2.
Martín Jaite was the defending champion, but did not compete this year.
Peter Lundgren was the defending champion, but lost in the first round to David Pate.
Jacco Eltingh was the defending champion, but lost in the first round to Richey Reneberg.
