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