# 1987 Brasil Open – Singles

Vicki Nelson-Dunbar was the defending champion but lost in the first round to Olga Tsarbopoulou.
Neige Dias won in the final 6–0, 6–7, 6–4 against Patricia Medrado.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Isabel Cueto (second round)
* Bettina Fulco (semifinals)
* Christiane Jolissaint (second round)
* Laura Garrone (quarterfinals)
* Mercedes Paz (quarterfinals)
* Barbara Paulus (quarterfinals)
* Vicki Nelson-Dunbar (first round)
* Adriana Villagrán (first round)

## 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
| 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 | Final | Final | Final | Final |
| 1 | I Cueto | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| | J Golder | 1 | 0 | | 1 | B Fulco | 1 | 3 | | | | | | | | | | | | | | |
| | A Frazier | 6 | 6 | | | A Frazier | 6 | 6 | | | | | | | | | | | | | | |
| Q | P Etchemendy | 2 | 4 | | | | | | | | A Frazier | 6 | 3 | 6 | | | | | | | | |
| | M Brown | 4 | 7 | 3 | | | | | | 6 | B Paulus | 1 | 6 | 1 | | | | | | | | |
| | J Hetherington | 6 | 6 | 6 | | J Hetherington | 4 | r | | | | | | | | | | | | | | |
| | S La Fratta | 4 | 0 | | 6 | B Paulus | 5 | | | | | | | | | | | | | | | |
| 6 | B Paulus | 6 | 6 | | | | | | | | | | | | | A Frazier | 1 | 1 | | | | |
| 4 | L Garrone | 6 | 6 | | | | | | | | | | | | | N Dias | 6 | 6 | | | | |
| | A Betzner | 4 | 3 | | 4 | L Garrone | 6 | 6 | | | | | | | | | | | | | | |
| Q | C Christian | 6 | 3 | | Q | C Christian | 1 | 1 | | | | | | | | | | | | | | |
| | C Monteiro | 1 | 0 | r | | | | | | 4 | L Garrone | 3 | 2 | | | | | | | | | |
| | P Vásquez | 3 | 1 | | | | | | | | N Dias | 6 | 6 | | | | | | | | | |
| | N Dias | 6 | 6 | | | N Dias | 6 | 6 | | | | | | | | | | | | | | |
| | C Bakkum | 7 | 6 | | | C Bakkum | 0 | 1 | | | | | | | | | | | | | | |
| 8 | A Villagrán | 5 | 2 | | | | | | | | | | | | | | | | Neige Dias | 6 | 6 | 6 |
| 5 | M Paz | 6 | 6 | | | | | | | | | | | | | | | | Patricia Medrado | 0 | 7 | 4 |
| Q | S Hack | 2 | 3 | | 5 | M Paz | 6 | 6 | | | | | | | | | | | | | | |
| | L Corsato | 6 | 7 | | | L Corsato | 2 | 0 | | | | | | | | | | | | | | |
| | K Adams | 3 | 5 | | | | | | | 5 | M Paz | 6 | 5 | 0 | | | | | | | | |
| | P Medrado | 6 | 3 | 6 | | | | | | | P Medrado | 2 | 7 | 6 | | | | | | | | |
| | A Vieira | 2 | 6 | 0 | | P Medrado | 6 | 6 | | | | | | | | | | | | | | |
| | M-C Damas | 2 | 4 | | 3 | C Jolissaint | 3 | 1 | | | | | | | | | | | | | | |
| 3 | C Jolissaint | 6 | 6 | | | | | | | | | | | | | P Medrado | 6 | 6 | | | | |
| 7 | V Nelson-Dunbar | 3 | 3 | | | | | | | | | | | | 2 | B Fulco | 4 | 1 | | | | |
| | O Tsarbopoulou | 6 | 6 | | | O Tsarbopoulou | 4 | 4 | | | | | | | | | | | | | | |
| | G Miró | 3 | 6 | 4 | | C Cohen | 6 | 6 | | | | | | | | | | | | | | |
| Q | C Cohen | 6 | 1 | 6 | | | | | | | C Cohen | 4 | 1 | | | | | | | | | |
| | E Raponi-Longo | 6 | 6 | 7 | | | | | | 2 | B Fulco | 6 | 6 | | | | | | | | | |
| | L Antonoplis | 2 | 7 | 6 | | E Raponi-Longo | 6 | 1 | 1 | | | | | | | | | | | | | |
| | L Lapi | 6 | 1 | | 2 | B Fulco | 3 | 6 | 6 | | | | | | | | | | | | | |
| 2 | B Fulco | 7 | 6 | | | | | | | | | | | | | | | | | | | |