# 1987 Sul America Open – Singles

Andrés Gómez was the defending champion, but lost in quarterfinals to Tomáš Šmíd.
Wild Card Andre Agassi won the title by defeating Luiz Mattar 7–6, 6–2 in the final.

## Seeds

* Andrés Gómez (quarterfinals)
* Brad Gilbert (quarterfinals)
* Martín Jaite (semifinals)
* Emilio Sánchez (second round)
* Amos Mansdorf (first round)
* Guillermo Pérez Roldán (first round)
* Tomáš Šmíd (semifinals)
* Andre Agassi (champion)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 7 | Tomáš Šmíd | 6 | 6 | 4 | | | | |
| | Luiz Mattar | 4 | 7 | 6 | | | | |
| | Luiz Mattar | 4 | 7 | 6 | | Luiz Mattar | 6 | 2 |
| | | | | | 8/WC | Andre Agassi | 7 | 6 |
| 3 | Martín Jaite | 2 | 5 | | 8/WC | Andre Agassi | 7 | 6 |
| 8/WC | Andre Agassi | 6 | 7 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Gómez | 6 | 7 | | | | | | | | | | | | | | | | |
| | D Rostagno | 3 | 6 | | 1 | A Gómez | 6 | 6 | | | | | | | | | | | |
| | R Osterthun | 6 | 4 | 7 | | R Osterthun | 2 | 1 | | | | | | | | | | | |
| | J Aguilera | 2 | 6 | 6 | | | | | | 1 | A Gómez | 6 | 6 | | | | | | |
| | G Vilas | 6 | 2 | | | | | | | 7 | T Šmíd | 7 | 7 | | | | | | |
| | J Sánchez | 7 | 6 | | | J Sánchez | 6 | 6 | 4 | | | | | | | | | | |
| | P Rebolledo | 3 | 0 | | 7 | T Šmíd | 3 | 7 | 6 | | | | | | | | | | |
| 7 | T Šmíd | 6 | 6 | | | | | | | | | | | | 7 | T Šmíd | 6 | 6 | 4 |
| 4 | E Sánchez | 6 | 6 | | | | | | | | | | | | | L Mattar | 4 | 7 | 6 |
| | J Lozano | 3 | 4 | | 4 | E Sánchez | 4 | 2 | | | | | | | | | | | |
| | M Šrejber | 4 | 6 | 3 | | S Casal | 6 | 6 | | | | | | | | | | | |
| | S Casal | 6 | 3 | 6 | | | | | | | S Casal | 5 | 7 | 6 | | | | | |
| | L Mattar | 6 | 6 | 6 | | | | | | | L Mattar | 7 | 5 | 7 | | | | | |
| Q | I Kley | 4 | 7 | 3 | | L Mattar | 6 | 6 | | | | | | | | | | | |
| WC | C Motta | 3 | 6 | 6 | WC | C Motta | 1 | 2 | | | | | | | | | | | |
| 5 | A Mansdorf | 6 | 3 | 0 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | G Pérez Roldán | 2 | 0 | | | | | | | | | | | | | |
| | T Meinecke | 6 | 6 | | | T Meinecke | 7 | 6 | | | | | | | | |
| | B Orešar | 5 | 6 | 4 | Q | G Bloom | 5 | 0 | | | | | | | | |
| Q | G Bloom | 7 | 1 | 6 | | | | | | T Meinecke | 2 | 2 | | | | |
| LL | D Pérez | 6 | 6 | | | | | | 3 | M Jaite | 6 | 6 | | | | |
| | H Skoff | 4 | 2 | | LL | D Pérez | 6 | 3 | | | | | | | | |
| | P Arraya | 3 | 6 | 1 | 3 | M Jaite | 7 | 6 | | | | | | | | |
| 3 | M Jaite | 6 | 3 | 6 | | | | | | | | | 3 | M Jaite | 2 | 5 |
| 8/WC | A Agassi | 5 | 6 | 6 | | | | | | | | | 8/WC | A Agassi | 6 | 7 |
| WC | J Daher | 7 | 0 | 3 | 8/WC | A Agassi | 6 | 6 | | | | | | | | |
| | A Tous | 2 | 4 | | | J Yzaga | 3 | 4 | | | | | | | | |
| | J Yzaga | 6 | 6 | | | | | | 8/WC | A Agassi | 6 | 6 | | | | |
| | H de la Peña | 4 | 2 | | | | | | 2 | B Gilbert | 1 | 3 | | | | |
| Q | D Marcelino | 6 | 6 | | Q | D Marcelino | 6 | 2 | | | | | | | | |
| Q | R Saad | 7 | 6 | 2 | 2 | B Gilbert | 7 | 6 | | | | | | | | |
| 2 | B Gilbert | 5 | 7 | 6 | | | | | | | | | | | | |