# 1988 Mercedes Cup – Singles

Miloslav Mečíř was the defending champion, but lost in the third round to Thomas Muster.
Andre Agassi won the title by defeating Andrés Gómez 6–4, 6–2 in the final.

## Seeds

All seeds received a bye to the second round.
* Miloslav Mečíř (third round)
* Andre Agassi (champion)
* Brad Gilbert (third round)
* Yannick Noah (quarterfinals)
* Kent Carlsson (third round)
* Henri Leconte (semifinals)
* Jonas Svensson (quarterfinals)
* Emilio Sánchez (third round)
* Guillermo Pérez Roldán (semifinals)
* Anders Järryd (second round)
* Andrés Gómez (final)
* Martín Jaite (third round)
* Ronald Agénor (quarterfinals)
* (n/a)
* Jordi Arrese (second round)
* Tomáš Šmíd (third 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 | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Thomas Muster | 2 | 5 | | | | | | | | |
| 9 | Guillermo Pérez Roldán | 6 | 7 | | | | | | | | |
| 9 | Guillermo Pérez Roldán | 6 | 7 | 9 | Guillermo Pérez Roldán | 3 | 1 | | | | |
| | | | | 11 | Andrés Gómez | 6 | 6 | | | | |
| 4 | Yannick Noah | 3 | 3 | 11 | Andrés Gómez | 6 | 6 | | | | |
| 11 | Andrés Gómez | 6 | 6 | | | | | | | | |
| 11 | Andrés Gómez | 6 | 6 | | | | | 11 | Andrés Gómez | 4 | 2 |
| | | | | | | | | 2 | Andre Agassi | 6 | 6 |
| 6 | Henri Leconte | 6 | 6 | | | | | | | | | 2 | Andre Agassi | 6 | 6 |
| 13 | Ronald Agénor | 3 | 4 | | | | | | | | |
| 13 | Ronald Agénor | 3 | 4 | 6 | Henri Leconte | 5 | 5 | | | | |
| | | | | 2 | Andre Agassi | 7 | 7 | | | | |
| 7 | Jonas Svensson | 5 | 1 | 2 | Andre Agassi | 7 | 7 | | | | |
| 2 | Andre Agassi | 7 | 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 |
| | | | | | 1/WC | M Mečíř | 6 | 2 | 6 | | | | | | | | |
| | T Tulasne | 6 | 6 | | | T Tulasne | 3 | 6 | 2 | | | | | | | | |
| | G Forget | 3 | 2 | | | | | | | 1/WC | M Mečíř | 4 | 6 | | | | |
| | M Woodforde | 6 | 1 | 1 | | | | | | | T Muster | 6 | 7 | | | | |
| | T Muster | 3 | 6 | 6 | | T Muster | 6 | 4 | 6 | | | | | | | | |
| | | | | | 15 | J Arrese | 3 | 6 | 2 | | | | | | | | |
| | | | | | | | | | | | | | | | T Muster | 2 | 5 |
| | | | | | | | | | | | | | | 9 | G Pérez Roldán | 6 | 7 |
| | | | | | 9 | G Pérez Roldán | 5 | 6 | 7 | | | | | | | | |
| Q | A Mronz | 5 | 4 | | | D Keretić | 7 | 3 | 5 | | | | | | | | |
| | D Keretić | 7 | 6 | | | | | | | 9 | G Pérez Roldán | 6 | 6 | | | | |
| | J Potier | 3 | 7 | 5 | | | | | | 8 | E Sánchez | 4 | 3 | | | | |
| | M Šrejber | 6 | 5 | 7 | | M Šrejber | 5 | 6 | 3 | | | | | | | | |
| | | | | | 8 | E Sánchez | 7 | 4 | 6 | | | | | | | | |

#### 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 |
| | | | | | 4 | Y Noah | 6 | 6 | | | | | | | | | | |
| | A Mancini | 6 | 4 | 6 | | A Mancini | 1 | 4 | | | | | | | | | | |
| | M Vajda | 4 | 6 | 4 | | | | | | 4 | Y Noah | 6 | 6 | | | | | |
| | C Mezzadri | 6 | 1 | 4 | | | | | | | E Bengoechea | 3 | 1 | | | | | |
| | E Bengoechea | 3 | 6 | 6 | | E Bengoechea | 5 | 6 | 6 | | | | | | | | | |
| | | | | | LL | C Limberger | 7 | 1 | 1 | | | | | | | | | |
| | | | | | | | | | | | | | | | 4 | Y Noah | 3 | 3 |
| | | | | | | | | | | | | | | | 11 | A Gómez | 6 | 6 |
| | | | | | 11 | A Gómez | 6 | 6 | | | | | | | | | | |
| | F Davín | 6 | 3 | 5 | | É Winogradsky | 3 | 2 | | | | | | | | | | |
| | É Winogradsky | 4 | 6 | 7 | | | | | | 11 | A Gómez | 6 | 6 | 7 | | | | |
| WC | S Matsuoka | 6 | 6 | | | | | | | 5 | K Carlsson | 4 | 7 | 5 | | | | |
| | CU Steeb | 4 | 2 | | WC | S Matsuoka | 6 | 4 | | | | | | | | | | |
| | | | | | 5 | K Carlsson | 7 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | H Leconte | 6 | 7 | | | | | | | | | |
| | T Meinecke | 3 | 3 | | Q | S Cortés | 0 | 6 | | | | | | | | | |
| Q | S Cortés | 6 | 6 | | | | | | 6 | H Leconte | 6 | 6 | | | | | |
| | P Rebolledo | 2 | 3 | | | | | | 12 | M Jaite | 3 | 2 | | | | | |
| Q | M Westphal | 6 | 6 | | Q | M Westphal | 4 | 3 | | | | | | | | | |
| | | | | | 12 | M Jaite | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 6 | H Leconte | 6 | 6 |
| | | | | | | | | | | | | | | 13 | R Agénor | 3 | 4 |
| | | | | | 13 | R Agénor | 6 | 6 | | | | | | | | | |
| | J Hlasek | 6 | 6 | | | J Hlasek | 3 | 3 | | | | | | | | | |
| | C Saceanu | 3 | 2 | | | | | | 13 | R Agénor | 2 | 6 | 6 | | | | |
| | G Vilas | 3 | 6 | 3 | | | | | 3 | B Gilbert | 6 | 3 | 4 | | | | |
| | D Cahill | 6 | 1 | 6 | | D Cahill | 4 | 6 | | | | | | | | | |
| | | | | | 3 | B Gilbert | 6 | 7 | | | | | | | | | |

#### Section 4

| 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 |
| | | | | | 7 | J Svensson | 6 | 3 | 6 | | | | | | | | |
| WC | M Tideman | 4 | 6 | 6 | Q | M Bahrami | 3 | 6 | 0 | | | | | | | | |
| Q | M Bahrami | 6 | 3 | 7 | | | | | | 7 | J Svensson | 6 | 6 | | | | |
| | S Casal | 6 | 6 | | | | | | | | S Casal | 2 | 1 | | | | |
| Q | R Azar | 3 | 2 | | | S Casal | 6 | 2 | 6 | | | | | | | | |
| | | | | | 10 | A Järryd | 2 | 6 | 4 | | | | | | | | |
| | | | | | | | | | | | | | | 7 | J Svensson | 5 | 1 |
| | | | | | | | | | | | | | | 2 | A Agassi | 7 | 6 |
| | | | | | 16 | T Šmíd | 7 | 1 | 6 | | | | | | | | |
| | P Vojtischek | 6 | 6 | | | P Vojtischek | 6 | 6 | 4 | | | | | | | | |
| WC | A Maurer | 4 | 2 | | | | | | | 16 | T Šmíd | 5 | 2 | | | | |
| | R Osterthun | 6 | 6 | | | | | | | 2 | A Agassi | 7 | 6 | | | | |
| Q | L Warder | 3 | 2 | | | R Osterthun | 3 | 5 | | | | | | | | | |
| | | | | | 2 | A Agassi | 6 | 7 | | | | | | | | | |