| Singles | |
|---|---|
| 1986 Copa Banco Galicia | |
| Champion | |
| Runner-up | |
| Score | 6–3, 6–3 |
Martín Jaite was the defending champion but lost in the second round to Franco Davín.
Jay Berger won in the final 6–3, 6–3 against Franco Davín.
| Semifinals | Final | ||||||||||||
| WC | | 6 | 6 | ||||||||||
| Q | | 2 | 0 | ||||||||||
| WC | | 3 | 3 | ||||||||||
| | 6 | 6 | |||||||||||
| | 6 | 4 | 6 | ||||||||||
| | 2 | 6 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | | 6 | 6 | ||||||||||||||||||||||||
| LL | | 3 | 2 | 1 | | 4 | 5 | ||||||||||||||||||||
| | 6 | 2 | 4 | WC | | 6 | 7 | ||||||||||||||||||||
| WC | | 2 | 6 | 6 | WC | | 6 | 7 | |||||||||||||||||||
| Q | | 4 | 7 | 6 | | 3 | 5 | ||||||||||||||||||||
| | 6 | 5 | 0 | Q | | 2 | 4 | ||||||||||||||||||||
| | 1 | 6 | 6 | | 6 | 6 | |||||||||||||||||||||
| 8 | | 6 | 1 | 4 | WC | | 6 | 6 | |||||||||||||||||||
| 3 | | 6 | 7 | Q | | 2 | 0 | ||||||||||||||||||||
| WC | | 1 | 6 | 3 | | 6 | 7 | 4 | |||||||||||||||||||
| Q | | 6 | 6 | Q | | 7 | 5 | 6 | |||||||||||||||||||
| | 0 | 1 | Q | | 6 | 6 | |||||||||||||||||||||
| | 3 | 0 | | 0 | 4 | ||||||||||||||||||||||
| | 6 | 6 | | 6 | 6 | ||||||||||||||||||||||
| | 6 | 6 | | 3 | 2 | ||||||||||||||||||||||
| 6 | | 2 | 3 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | | 5 | 5 | ||||||||||||||||||||||||
| | 7 | 7 | | 2 | 6 | 6 | |||||||||||||||||||||
| WC | | 2 | 6 | 3 | | 6 | 2 | 4 | |||||||||||||||||||
| | 6 | 2 | 6 | | 6 | 3 | 7 | ||||||||||||||||||||
| | 5 | 4 | 4 | | 4 | 6 | 5 | ||||||||||||||||||||
| | 7 | 6 | | 4 | 6 | 1 | |||||||||||||||||||||
| | 3 | 6 | 3 | 4 | | 6 | 3 | 6 | |||||||||||||||||||
| 4 | | 6 | 3 | 6 | | 6 | 4 | 6 | |||||||||||||||||||
| 7 | | 4 | 3 | | 2 | 6 | 4 | ||||||||||||||||||||
| | 6 | 6 | | 3 | 6 | 6 | |||||||||||||||||||||
| Q | | 6 | 6 | Q | | 6 | 0 | 0 | |||||||||||||||||||
| | 4 | 2 | | 6 | 6 | ||||||||||||||||||||||
| | 6 | 6 | | 3 | 1 | ||||||||||||||||||||||
| | 3 | 2 | | 6 | 6 | ||||||||||||||||||||||
| Q | | 6 | 5 | 2 | | 3 | 4 | ||||||||||||||||||||
| 2 | | 7 | 7 | ||||||||||||||||||||||||
Javier Frana was the defending champion but lost in the quarterfinals to Alberto Berasategui.
Jaime Yzaga was the defending champion, but lost in the first round this year.
Tarik Benhabiles was the defending champion but lost in the second round to Thomas Muster.
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.
Thomas Muster defeated Andrei Chesnokov in the final, 6–1, 6–3, 6–1 to win the men's singles tennis title at the 1990 Italian Open.
Paul Annacone was the defending champion but lost in the second round to Thomas Muster.
This was the first edition of the event.
Simon Youl was the defending champion, but did not participate this year.
Karel Nováček was the defending champion, but lost in the first round this year.
Andrei Chesnokov was the defending champion, but did not participate this year.
Mark Koevermans was the defending champion, but lost in the quarterfinals this year.
Ronald Agénor was the defending champion, but did not participate this year.
Jim Courier defeated David Wheaton in the final, 4–6, 6–3, 6–4 to win the men's singles tennis title at the 1991 Miami Open.
Ivan Lendl was the defending champion, but lost in third round to Joakim Nyström.
Guillermo Pérez Roldán was the defending champion, but lost in the semifinals to tournament runner-up Juan Aguilera.
Ulf Stenlund was the defending champion, but lost in the first round to Josef Čihák.
Dimitri Poliakov was the defending champion, but did not compete this year.
Luiz Mattar was the defending champion, but lost in the final to Martín Jaite. The score was 3–6, 6–4, 6–3.
Martín Jaite was the defending champion, but did not compete this year.
Martín Jaite was the defending champion, but lost in the first round to Mark Koevermans.