Guaruja 1986 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Eduardo Bengoechea | d. | Luiz Mattar | 6-3 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Luiz Mattar | d. | Marian Vajda | 6-1 6-3 |
| Eduardo Bengoechea | d. | Jay Berger | 6-3 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jay Berger | d. | Fernando Roese | 6-4 6-4 |
| Luiz Mattar | d. | Dacio Campos | 7-5 6-3 |
| Marian Vajda | d. | Sammy Giammalva Jr | 2-6 7-5 6-2 |
| Eduardo Bengoechea | d. | Jose Lopez Maeso | 3-6 7-6 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Fernando Roese | d. | Carl Uwe Steeb | 4-6 6-0 7-6 |
| Jose Lopez Maeso | d. | Julio Goes | 6-4 6-3 |
| Dacio Campos | d. | Claudio Pistolesi | 6-4 7-6 |
| Luiz Mattar | d. | Nelson Aerts | 7-5 6-2 |
| Jay Berger | d. | Mark Dickson | 1-6 6-2 6-3 |
| Marian Vajda | d. | Raul Antonio Viver | 6-3 6-4 |
| Sammy Giammalva Jr | d. | Blaine Willenborg | 6-3 6-1 |
| Eduardo Bengoechea | d. | Danilo Marcelino | 6-7 7-6 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Blaine Willenborg | d. | Cesar Kist | 6-2 6-2 |
| Raul Antonio Viver | d. | Derek Tarr | 4-6 6-4 6-0 |
| Fernando Roese | d. | Joao Soares | 6-7 6-4 7-5 |
| Claudio Pistolesi | d. | Javier Frana | 6-1 4-6 7-6 |
| Danilo Marcelino | d. | Hans Gildemeister | 6-1 2-0 RET |
| Julio Goes | d. | Roberto Arguello | 6-4 1-6 6-4 |
| Jay Berger | d. | Givaldo Barbosa | 6-2 7-5 |
| Nelson Aerts | d. | Daniel Montes De Oca | 6-2 6-0 |
| Jose Lopez Maeso | d. | Ivan Kley | 6-4 6-2 |
| Luiz Mattar | d. | Roberto Saad | 6-1 6-4 |
| Mark Dickson | d. | Bruno Oresar | 6-7 6-3 6-3 |
| Marian Vajda | d. | Charles Bud Cox | 7-6 6-3 |
| Carl Uwe Steeb | d. | Nduka Odizor | 6-1 6-1 |
| Sammy Giammalva Jr | d. | Marcelo Ingaramo | 6-1 6-4 |
| Dacio Campos | d. | Carlos Kirmayr | 3-6 6-1 6-3 |
| Eduardo Bengoechea | d. | Lawson Duncan | 1-6 6-2 7-6 |