Guaruja 1983 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Zoltan Kuharszky | m. | Victor Pecci | 6-4 4-6 6-1 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Zoltan Kuharszky | m. | Carlos Kirmayr | 7-6 4-6 6-1 |
| Victor Pecci | m. | Tony Giammalva | 6-2 6-3 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Zoltan Kuharszky | m. | Ernie Fernandez | 6-3 6-1 |
| Tony Giammalva | m. | Joao Soares | 6-3 6-4 |
| Carlos Kirmayr | m. | Steve Meister | 6-2 6-2 |
| Victor Pecci | m. | Trey Waltke | 6-0 4-6 6-0 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Zoltan Kuharszky | m. | Javier Restrepo | 6-1 6-2 |
| Steve Meister | m. | Pender Murphy | 7-6 6-4 |
| Trey Waltke | m. | Ricardo Cano | 7-6 4-6 6-2 |
| Ernie Fernandez | m. | Craig Wittus | 7-6 6-4 |
| Tony Giammalva | m. | Givaldo Barbosa | 7-6 3-6 6-4 |
| Joao Soares | m. | Gabriel Mattos | 6-4 7-6 |
| Carlos Kirmayr | m. | Eduardo Bengoechea | 7-5 7-5 |
| Victor Pecci | m. | Rocky Royer | 6-1 6-4 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Rocky Royer | m. | Belus Prajoux | 6-4 6-4 |
| Javier Restrepo | m. | Pedro Rebolledo | 6-4 6-2 |
| Steve Meister | m. | Thomas Stalhandske | 7-6 7-5 |
| Gabriel Mattos | m. | Nelson Aerts | 6-4 3-6 7-6 |
| Tony Giammalva | m. | Thomaz Koch | 6-4 7-5 |
| Ernie Fernandez | m. | Julio Goes | 6-4 6-4 |
| Ricardo Cano | m. | Carlos Soares | 7-6 6-2 |
| Eduardo Bengoechea | m. | Ray Disco | 6-3 6-3 |
| Pender Murphy | m. | David Dowlen | 6-2 7-6 |
| Trey Waltke | m. | Ramiro Benavides | 3-6 6-2 6-1 |
| Craig Wittus | m. | Alejandro Gattiker | 6-2 6-4 |
| Givaldo Barbosa | m. | Ney Keller | 6-1 6-1 |
| Joao Soares | m. | David Carter | 6-4 4-6 7-5 |
| Zoltan Kuharszky | m. | Nduka Odizor | 7-6 6-3 |
| Carlos Kirmayr | m. | Jeff Turpin | 6-3 6-2 |
| Victor Pecci | m. | Ivan Kley | 6-2 2-6 6-3 |