Maceio 1990 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Martin Jaite | d. | Luiz Mattar | 3-6 6-4 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Luiz Mattar | d. | Eduardo Bengoechea | 6-4 6-2 |
| Martin Jaite | d. | Alexandre Hocevar | 6-2 3-6 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Eduardo Bengoechea | d. | Jay Berger | 7-5 6-0 |
| Luiz Mattar | d. | Ivan Kley | 6-3 6-2 |
| Alexandre Hocevar | d. | Cassio Motta | 6-4 6-1 |
| Martin Jaite | d. | Paul Vojtischek | 7-5 6-2 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Jay Berger | d. | Gabriel Markus | 6-3 6-0 |
| Eduardo Bengoechea | d. | Peter Ballauff | 6-4 7-5 |
| Luiz Mattar | d. | Harald Rittersbacher | 4-6 7-6 6-4 |
| Ivan Kley | d. | Alejandro Aramburu | 6-3 6-4 |
| Cassio Motta | d. | Miguel Nido | 6-4 6-1 |
| Alexandre Hocevar | d. | Mario Tabares | 5-7 6-0 6-4 |
| Paul Vojtischek | d. | Horacio De La Pena | 7-6 3-1 RET |
| Martin Jaite | d. | John Sobel | 6-1 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Jay Berger | d. | Nelson Aerts | 6-4 6-1 |
| Gabriel Markus | d. | Mauro Menezes | 6-7 6-1 7-5 |
| Peter Ballauff | d. | Francisco Yunis | 2-6 6-4 6-1 |
| Eduardo Bengoechea | d. | Jaime Oncins | 6-2 6-4 |
| Luiz Mattar | d. | Fernando Roese | 7-5 6-3 |
| Harald Rittersbacher | d. | Pedro Rebolledo | 6-4 6-0 |
| Alejandro Aramburu | d. | Martin Wostenholme | 2-6 6-4 6-1 |
| Ivan Kley | d. | Joao Zwetsch | 3-6 6-4 6-4 |
| Cassio Motta | d. | Christian Saceanu | 3-6 6-2 6-1 |
| Miguel Nido | d. | Danilo Marcelino | 6-4 6-0 |
| Alexandre Hocevar | d. | Otavio Della | 6-0 6-4 |
| Mario Tabares | d. | Jaime Yzaga | 7-6 7-6 |
| Horacio De La Pena | d. | Guillermo Rivas | 6-2 6-3 |
| Paul Vojtischek | d. | Jeff Tarango | 6-4 6-3 |
| John Sobel | d. | Roberto Arguello | 5-7 6-4 6-4 |
| Martin Jaite | d. | Javier Frana | 7-6 6-3 |