# 1988 Rainha Cup – Singles

Neige Dias was the defending champion but lost in the quarterfinals to Andrea Vieira.
Mercedes Paz won in the final 7–5, 6–2 against Rene Simpson.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Bettina Fulco (quarterfinals)
* Neige Dias (quarterfinals)
* Mercedes Paz (champion)
* Adriana Villagrán (first round)
* Céline Cohen (first round)
* Patricia Medrado (second round)
* Veronika Martinek (first round)
* Gisele Miró (quarterfinals)

## 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 | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | B Fulco | 6 | 6 | | | | | | | | | | | | | | | | | | |
| | L Spadea | 1 | 2 | | 1 | B Fulco | 6 | 7 | | | | | | | | | | | | | |
| Q | A Creek | 6 | 6 | | Q | A Creek | 1 | 5 | | | | | | | | | | | | | |
| | L Della Casa | 1 | 3 | | | | | | | 1 | B Fulco | 3 | 2 | | | | | | | | |
| | J Wiesner | 5 | 3 | | | | | | | | P Vásquez | 6 | 6 | | | | | | | | |
| | L Corsato | 7 | 6 | | | L Corsato | 1 | 6 | 2 | | | | | | | | | | | | |
| | P Vásquez | 6 | 6 | | | P Vásquez | 6 | 4 | 6 | | | | | | | | | | | | |
| 7 | V Martinek | 3 | 4 | | | | | | | | | | | | P Vásquez | 2 | 2 | | | | |
| 3 | M Paz | 6 | 6 | | | | | | | | | | | 3 | M Paz | 6 | 6 | | | | |
| | N Rooimans | 4 | 3 | | 3 | M Paz | 6 | 7 | | | | | | | | | | | | | |
| | K Oberleitner | 4 | 3 | | | S Schilder | 3 | 6 | | | | | | | | | | | | | |
| | S Schilder | 6 | 6 | | | | | | | 3 | M Paz | 6 | 6 | | | | | | | | |
| | D Faber | 6 | 6 | | | | | | | | D Faber | 3 | 3 | | | | | | | | |
| | A Tiezzi | 2 | 2 | | | D Faber | 7 | 6 | | | | | | | | | | | | | |
| | E Raponi-Longo | 6 | 4 | 6 | 6 | P Medrado | 6 | 3 | | | | | | | | | | | | | |
| 6 | P Medrado | 4 | 6 | 7 | | | | | | | | | | | | | | 3 | Mercedes Paz | 7 | 6 |
| 8 | G Miró | 6 | 6 | | | | | | | | | | | | | | | Q | Rene Simpson | 5 | 2 |
| | C Bakkum | 3 | 0 | | 8 | G Miró | 6 | 6 | 7 | | | | | | | | | | | | |
| | N Marcucci | 2 | 6 | 6 | | N Marcucci | 7 | 2 | 5 | | | | | | | | | | | | |
| | L Pennington | 6 | 3 | 2 | | | | | | 8 | G Miró | 5 | 3 | | | | | | | | |
| Q | R Baranski | 2 | 6 | 6 | | | | | | Q | R Simpson | 7 | 6 | | | | | | | | |
| | L Tella | 6 | 3 | 2 | Q | R Baranski | 4 | 4 | | | | | | | | | | | | | |
| Q | R Simpson | 6 | 6 | | Q | R Simpson | 6 | 6 | | | | | | | | | | | | | |
| 4 | A Villagrán | 4 | 1 | | | | | | | | | | | Q | R Simpson | 6 | 6 | | | | |
| 5 | C Cohen | 4 | 2 | | | | | | | | | | | | A Vieira | 2 | 2 | | | | |
| | G Mosca | 6 | 6 | | | G Mosca | 2 | 2 | | | | | | | | | | | | | |
| | A Vieira | 6 | 6 | 6 | | A Vieira | 6 | 6 | | | | | | | | | | | | | |
| | K Strohmeier | 7 | 3 | 4 | | | | | | | A Vieira | 6 | 6 | | | | | | | | |
| | M Rooimans | 7 | 5 | 6 | | | | | | 2 | N Dias | 2 | 3 | | | | | | | | |
| Q | J Souto | 6 | 7 | 3 | | M Rooimans | 4 | 7 | 0 | | | | | | | | | | | | |
| | C Chabalgoity | 2 | 6 | 4 | 2 | N Dias | 6 | 5 | 6 | | | | | | | | | | | | |
| 2 | N Dias | 6 | 2 | 6 | | | | | | | | | | | | | | | | | |