# 1988 Athens Open – Singles

Guillermo Pérez Roldán was the defending champion, but did not participate this year.
Horst Skoff won the tournament, beating Bruno Orešar in the final, 6–3, 2–6, 6–2.

## Seeds

* Tore Meinecke (second round)
* Guillermo Vilas (second round)
* Fernando Luna (first round)
* Claudio Pistolesi (first round)
* Christian Miniussi (first round)
* Bruno Orešar (final)
* Alberto Tous (first round)
* Horst Skoff (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 | Final | Final | Final | Final | Final |
| | Christer Allgårdh | 2 | 6 | | | | | |
| 6 | Bruno Orešar | 6 | 7 | | | | | |
| 6 | Bruno Orešar | 6 | 7 | 6 | Bruno Orešar | 3 | 6 | 2 |
| | | | | 8 | Horst Skoff | 6 | 2 | 6 |
| | Pablo Arraya | 4 | 1 | 8 | Horst Skoff | 6 | 2 | 6 |
| 8 | Horst Skoff | 6 | 6 | | | | | |

### 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 |
| 1 | T Meinecke | 6 | 6 | | | | | | | | | | | | | | | |
| | U Riglewski | 1 | 2 | | 1 | T Meinecke | 4 | 2 | | | | | | | | | | |
| | M Rackl | 6 | 6 | | | M Rackl | 6 | 6 | | | | | | | | | | |
| | R Bergh | 2 | 2 | | | | | | | | M Rackl | 6 | 2 | 5 | | | | |
| | J Aguilera | 2 | 6 | 4 | | | | | | | C Allgårdh | 1 | 6 | 7 | | | | |
| | C Allgårdh | 6 | 1 | 6 | | C Allgårdh | 5 | 6 | 6 | | | | | | | | | |
| Q | E Furusho | 6 | 6 | 7 | Q | E Furusho | 7 | 2 | 2 | | | | | | | | | |
| 7 | A Tous | 2 | 7 | 5 | | | | | | | | | | | | C Allgårdh | 2 | 6 |
| 3 | F Luna | 2 | 6 | | | | | | | | | | | | 6 | B Orešar | 6 | 7 |
| | N Marques | 6 | 7 | | | N Marques | 3 | 1 | | | | | | | | | | |
| | I Kley | 4 | 7 | 2 | | K Nováček | 6 | 6 | | | | | | | | | | |
| | K Nováček | 6 | 6 | 6 | | | | | | | K Nováček | 6 | 3 | 3 | | | | |
| | J Avendaño | 6 | 6 | 7 | | | | | | 6 | B Orešar | 3 | 6 | 6 | | | | |
| Q | P Henricsson | 3 | 7 | 6 | | J Avendaño | 6 | 2 | 5 | | | | | | | | | |
| | M Ingaramo | 7 | 2 | 6 | 6 | B Orešar | 2 | 6 | 7 | | | | | | | | | |
| 6 | B Orešar | 6 | 6 | 7 | | | | | | | | | | | | | | |

### 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 |
| 5 | C Miniussi | 3 | 5 | | | | | | | | | | | | | |
| Q | E Osta | 6 | 7 | | Q | E Osta | 4 | 2 | | | | | | | | |
| | P Arraya | 6 | 6 | | | P Arraya | 6 | 6 | | | | | | | | |
| WC | A Bavelas | 3 | 1 | | | | | | | P Arraya | 7 | 6 | | | | |
| | H Schwaier | 4 | 2 | | | | | | | P Vojtischek | 5 | 3 | | | | |
| | P Vojtischek | 6 | 6 | | | P Vojtischek | 7 | 6 | | | | | | | | |
| WC | G Kalovelonis | 7 | 6 | | WC | G Kalovelonis | 5 | 2 | | | | | | | | |
| 4 | C Pistolesi | 6 | 3 | | | | | | | | | | | P Arraya | 4 | 1 |
| 8 | H Skoff | 7 | 6 | | | | | | | | | | 8 | H Skoff | 6 | 6 |
| | W Popp | 6 | 3 | | 8 | H Skoff | 7 | 6 | | | | | | | | |
| Q | Joel Figueras | 1 | 4 | | | M Westphal | 6 | 1 | | | | | | | | |
| | M Westphal | 6 | 6 | | | | | | 8 | H Skoff | 6 | 6 | | | | |
| | T Carbonell | 4 | 7 | 6 | | | | | | T Carbonell | 2 | 2 | | | | |
| | J Bardou | 6 | 5 | 1 | | T Carbonell | 7 | 7 | | | | | | | | |
| | F Yunis | 2 | 6 | | 2 | G Vilas | 5 | 6 | | | | | | | | |
| 2 | G Vilas | 6 | 7 | | | | | | | | | | | | | |