# 1988 Campionati Internazionali di Sicilia – Singles

Martín Jaite was the defending champion, but did not compete this year.
Mats Wilander won the title by defeating Kent Carlsson 6–1, 3–6, 6–4 in the final.

## Seeds

All seeds received a bye to the second round.
* Mats Wilander (champion)
* Kent Carlsson (final)
* Guillermo Pérez Roldán (semifinals)
* Thomas Muster (semifinals)
* Jordi Arrese (third round)
* Marcelo Filippini (second round)
* Alberto Mancini (third round)
* Lawson Duncan (second round)
* Fernando Luna (third round)
* Eduardo Bengoechea (quarterfinals)
* Thierry Tulasne (quarterfinals)
* Horacio de la Peña (quarterfinals)
* Tomáš Šmíd (third round)
* Francesco Cancellotti (second round)
* Franco Davín (third round)
* Thierry Champion (second 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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1/WC | Mats Wilander | 4 | 6 | 6 | | | | | | | | | |
| | Claudio Panatta | 6 | 2 | 3 | | | | | | | | | |
| | Claudio Panatta | 6 | 2 | 3 | 1/WC | Mats Wilander | 6 | 6 | | | | | |
| | | | | | 3 | Guillermo Pérez Roldán | 2 | 2 | | | | | |
| 3 | Guillermo Pérez Roldán | 6 | 7 | | 3 | Guillermo Pérez Roldán | 2 | 2 | | | | | |
| 12 | Horacio de la Peña | 4 | 6 | | | | | | | | | | |
| 12 | Horacio de la Peña | 4 | 6 | | | | | | 1/WC | Mats Wilander | 6 | 3 | 6 |
| | | | | | | | | | 2 | Kent Carlsson | 1 | 6 | 4 |
| 11 | Thierry Tulasne | 3 | 4 | | | | | | | | | | | 2 | Kent Carlsson | 1 | 6 | 4 |
| 4 | Thomas Muster | 6 | 6 | | | | | | | | | | |
| 4 | Thomas Muster | 6 | 6 | | 4 | Thomas Muster | 6 | 5 | | | | | |
| | | | | | 2 | Kent Carlsson | 7 | 7 | | | | | |
| 10 | Eduardo Bengoechea | 1 | 7 | 3 | 2 | Kent Carlsson | 7 | 7 | | | | | |
| 2 | Kent Carlsson | 6 | 5 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | M Wilander | 6 | 6 | | | | | | | | | | |
| | M Vajda | 3 | 6 | 2 | Q | M Zillner | 3 | 3 | | | | | | | | | | |
| Q | M Zillner | 6 | 2 | 6 | | | | | | 1/WC | M Wilander | 6 | 7 | | | | | |
| | B Stankovič | 6 | 4 | 6 | | | | | | 15 | F Davín | 1 | 6 | | | | | |
| WC | F Di Mauro | 3 | 6 | 2 | | B Stankovič | 4 | 1 | | | | | | | | | | |
| | | | | | 15 | F Davín | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 1/WC | M Wilander | 4 | 6 | 6 |
| | | | | | | | | | | | | | | | C Panatta | 6 | 2 | 3 |
| | | | | | 9 | F Luna | 6 | 6 | | | | | | | | | | |
| | M Rackl | 7 | 6 | | | M Rackl | 1 | 2 | | | | | | | | | | |
| | R Argüello | 6 | 4 | | | | | | | 9 | F Luna | 1 | 1 | | | | | |
| | T Haldin | 3 | 6 | 6 | | | | | | | C Panatta | 6 | 6 | | | | | |
| | C Panatta | 6 | 4 | 7 | | C Panatta | 3 | 6 | 6 | | | | | | | | | |
| | | | | | 8 | L Duncan | 6 | 2 | 2 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | G Pérez Roldán | 6 | 6 | | | | | | | | | | |
| | C Miniussi | 7 | 7 | | | C Miniussi | 2 | 4 | | | | | | | | | | |
| | P Rebolledo | 5 | 5 | | | | | | | 3 | G Pérez Roldán | 4 | 6 | 6 | | | | |
| | C Allgårdh | 4 | 7 | 6 | | | | | | | C Allgårdh | 6 | 1 | 1 | | | | |
| | P Arraya | 6 | 5 | 3 | | C Allgårdh | 6 | 6 | | | | | | | | | | |
| | | | | | 14 | F Cancellotti | 4 | 2 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | G Pérez Roldán | 6 | 7 |
| | | | | | | | | | | | | | | | 12 | H de la Peña | 4 | 6 |
| | | | | | 12 | H de la Peña | 5 | 6 | 7 | | | | | | | | | |
| | M Cierro | 6 | 3 | 7 | | M Cierro | 7 | 1 | 5 | | | | | | | | | |
| | H Schwaier | 4 | 6 | 5 | | | | | | 12 | H de la Peña | 6 | 6 | | | | | |
| Q | R Gajardo | 0 | 2 | | | | | | | 5 | J Arrese | 3 | 4 | | | | | |
| | J Čihák | 6 | 6 | | | J Čihák | 6 | 3 | 3 | | | | | | | | | |
| | | | | | 5 | J Arrese | 1 | 6 | 6 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | M Filippini | 0 | 3 | | | | | | | | | | |
| | O Delaître | 3 | 4 | | | M Narducci | 6 | 6 | | | | | | | | | | |
| | M Narducci | 6 | 6 | | | | | | | | M Narducci | 5 | 6 | 4 | | | | |
| | C Pistolesi | 2 | 6 | 7 | | | | | | 11 | T Tulasne | 7 | 1 | 6 | | | | |
| Q | G Prpić | 6 | 4 | 6 | | C Pistolesi | 6 | 5 | 4 | | | | | | | | | |
| | | | | | 11 | T Tulasne | 3 | 7 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 11 | T Tulasne | 3 | 4 |
| | | | | | | | | | | | | | | | 4 | T Muster | 6 | 6 |
| | | | | | 13 | T Šmíd | 6 | 7 | | | | | | | | | | |
| | Marco Filippeschi | 1 | 2 | | | M Hennemann | 0 | 6 | | | | | | | | | | |
| | M Hennemann | 6 | 6 | | | | | | | 13 | T Šmíd | 4 | 2 | | | | | |
| | D Keretić | 2 | 4 | | | | | | | 4 | T Muster | 6 | 6 | | | | | |
| | J Aguilera | 6 | 6 | | | J Aguilera | 0 | 2 | | | | | | | | | | |
| | | | | | 4 | T Muster | 6 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 7 | A Mancini | 6 | 6 | | | | | | | | | | |
| Q | G Mirad | 6 | 6 | Q | G Mirad | 3 | 2 | | | | | | | | | | |
| Q | F Dennhardt | 3 | 4 | | | | | | 7 | A Mancini | 5 | 0 | | | | | |
| | J Avendaño | 6 | 6 | | | | | | 10 | E Bengoechea | 7 | 6 | | | | | |
| Q | J Clavet | 1 | 4 | | J Avendaño | 7 | 3 | 2 | | | | | | | | | |
| | | | | 10 | E Bengoechea | 5 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | 10 | E Bengoechea | 1 | 7 | 3 |
| | | | | | | | | | | | | | 2 | K Carlsson | 6 | 5 | 6 |
| | | | | 16 | T Champion | 6 | 1 | 6 | | | | | | | | | |
| | R Azar | 5 | 4 | | J Brown | 3 | 6 | 7 | | | | | | | | | |
| | J Brown | 7 | 6 | | | | | | | J Brown | 2 | 4 | | | | | |
| | K Nováček | 3 | 6 | | | | | | 2 | K Carlsson | 6 | 6 | | | | | |
| | R Viver | 6 | 7 | | R Viver | 3 | 6 | 4 | | | | | | | | | |
| | | | | 2 | K Carlsson | 6 | 3 | 6 | | | | | | | | | |