# 1988 Spanish Open – Singles

Neige Dias won in the final 6–3, 6–3 against Bettina Fulco.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Sylvia Hanika (quarterfinals)
* Arantxa Sánchez (semifinals)
* Bettina Fulco (final)
* Mariana Pérez-Roldán (semifinals)
* Neige Dias (champion)
* n/a
* Sandra Wasserman (quarterfinals)
* Iva Budařová (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 | Semifinals | Final | Final | Final | Final |
| 1 | S Hanika | 3 | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| Q | A-K Olsson | 6 | 3 | 4 | 1 | S Hanika | 6 | 6 | | | | | | | | | | | | | | | |
| | S Schilder | 6 | 6 | | | S Schilder | 1 | 1 | | | | | | | | | | | | | | | |
| Q | N Rooimans | 4 | 2 | | | | | | | 1 | S Hanika | 6 | 4 | 4 | | | | | | | | | |
| | M-C Calleja | 6 | 6 | 6 | | | | | | 5 | N Dias | 3 | 6 | 6 | | | | | | | | | |
| Q | R Bielsa | 7 | 4 | 4 | | M-C Calleja | 2 | 0 | | | | | | | | | | | | | | | |
| | E Raponi-Longo | 0 | 4 | | 5 | N Dias | 6 | 6 | | | | | | | | | | | | | | | |
| 5 | N Dias | 6 | 6 | | | | | | | | | | | | 5 | N Dias | 7 | 6 | | | | | |
| 4 | M Pérez-Roldán | 2 | 6 | 6 | | | | | | | | | | | 4 | M Pérez-Roldán | 6 | 3 | | | | | |
| | C Cohen | 6 | 4 | 2 | 4 | M Pérez-Roldán | 6 | 6 | | | | | | | | | | | | | | | |
| | J Salmon | 6 | 7 | 6 | | J Salmon | 3 | 3 | | | | | | | | | | | | | | | |
| | H Dahlström | 7 | 5 | 4 | | | | | | 4 | M Pérez-Roldán | 3 | 7 | 6 | | | | | | | | | |
| LL | A Tiezzi | 4 | 1 | | | | | | | 7 | S Wasserman | 6 | 5 | 3 | | | | | | | | | |
| | S Niox-Chateau | 6 | 6 | | | S Niox-Chateau | 1 | 6 | 6 | | | | | | | | | | | | | | |
| | M J Llorca | 6 | 1 | 4 | 7 | S Wasserman | 6 | 2 | 7 | | | | | | | | | | | | | | |
| 7 | S Wasserman | 4 | 6 | 6 | | | | | | | | | | | | | | | | 5 | Niege Dias | 6 | 6 |
| 8 | I Budařová | 4 | 1 | | | | | | | | | | | | | | | | | 3 | Bettina Fulco | 3 | 3 |
| | T Scheuer-Larsen | 6 | 6 | | | T Scheuer-Larsen | 2 | 1 | | | | | | | | | | | | | | | |
| | P Medrado | 5 | 6 | 6 | | P Medrado | 6 | 6 | | | | | | | | | | | | | | | |
| | C Wood | 7 | 4 | 0 | | | | | | | P Medrado | 6 | 4 | 3 | | | | | | | | | |
| Q | G Castro | 6 | 4 | 4 | | | | | | 3 | B Fulco | 3 | 6 | 6 | | | | | | | | | |
| | I Varas | 4 | 6 | 6 | | I Varas | 1 | 4 | | | | | | | | | | | | | | | |
| | V Nelson-Dunbar | 3 | 3 | | 3 | B Fulco | 6 | 6 | | | | | | | | | | | | | | | |
| 3 | B Fulco | 6 | 6 | | | | | | | | | | | | 3 | B Fulco | 1 | 6 | 6 | | | | |
| LL | K Quentrec | 6 | 6 | | | | | | | | | | | | 2 | A Sánchez | 6 | 2 | 3 | | | | |
| | T Catlin | 0 | 2 | | LL | K Quentrec | 3 | 3 | | | | | | | | | | | | | | | |
| | A Villagrán | 2 | 1 | | | B Romanò | 6 | 6 | | | | | | | | | | | | | | | |
| | B Romanò | 6 | 6 | | | | | | | | B Romanò | 1 | 1 | | | | | | | | | | |
| | J Souto | 3 | 4 | | | | | | | 2 | A Sánchez | 6 | 6 | | | | | | | | | | |
| | C Jolissaint | 6 | 6 | | | C Jolissaint | 1 | 4 | | | | | | | | | | | | | | | |
| | K Labuschagne | | | | 2 | A Sánchez | 6 | 6 | | | | | | | | | | | | | | | |
| 2 | A Sánchez | w/o | | | | | | | | | | | | | | | | | | | | | |