| Singles | |
|---|---|
| 1987 Geneva Open | |
| Champion |  Claudio Mezzadri |
| Runner-up |  Tomáš Šmíd |
| Score | 6–4, 7–5 |
| Draw | 32 |
| Seeds | 8 |
Henri Leconte was the defending champion but lost in the second round this year.
Claudio Mezzadri won the title, defeating Tomáš Šmíd 6–4, 7–5 in the final.
Andrés Gómez (semifinals)
Joakim Nyström (second round)
Henri Leconte (second round)
Guillermo Pérez Roldán (quarterfinals) Eduardo Bengoechea (second round) Ulf Stenlund (semifinals) Tarik Benhabiles (first round)
Horst Skoff (first round)| Semifinals | Final | ||||||||||||
| 1 | Andrés Gómez | 6 | 6 | 0 | |||||||||
| Tomáš Šmíd | 7 | 4 | 6 | ||||||||||
| Tomáš Šmíd | 4 | 5 | |||||||||||
| Claudio Mezzadri | 6 | 7 | |||||||||||
| 6 | Ulf Stenlund | 2 | 7 | 6 | |||||||||
| Claudio Mezzadri | 6 | 6 | 7 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Gómez | 3 | 6 | 6 | |||||||||||||||||||||||
 R Agénor | 6 | 3 | 2 | 1 | A Gómez | 7 | 6 | ||||||||||||||||||||
| G Vilas | 6 | 6 | G Vilas | 6 | 4 | ||||||||||||||||||||||
 D Pérez | 4 | 1 | 1 | A Gómez | 7 | 6 | |||||||||||||||||||||
| LL |  D Maasdorp | 6 | 6 | T Tulasne | 6 | 4 | |||||||||||||||||||||
| WC | S Mezzadri | 4 | 4 | LL | D Maasdorp | 4 | 3 | ||||||||||||||||||||
| T Tulasne | 6 | 7 | T Tulasne | 6 | 6 | ||||||||||||||||||||||
| 8 | H Skoff | 4 | 5 | 1 | A Gómez | 6 | 6 | 0 | |||||||||||||||||||
| 4 | G Pérez Roldán | 7 | 7 | T Šmíd | 7 | 4 | 6 | ||||||||||||||||||||
 B Orešar | 6 | 5 | 4 | G Pérez Roldán | 6 | 4 | 6 | ||||||||||||||||||||
| LL | G Garetto | 2 | 6 | 6 | LL | G Garetto | 1 | 6 | 2 | ||||||||||||||||||
 J Brown | 6 | 2 | 0 | 4 | G Pérez Roldán | 2 | 6 | ||||||||||||||||||||
 D de Miguel | 6 | 2 | 4 | T Šmíd | 6 | 7 | |||||||||||||||||||||
| T Šmíd | 1 | 6 | 6 | T Šmíd | 6 | 6 | |||||||||||||||||||||
 C Motta | 3 | 1 | 5 | E Bengoechea | 3 | 2 | |||||||||||||||||||||
| 5 | E Bengoechea | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | U Stenlund | 6 | 6 | ||||||||||||||||||||||||
| Q | Emmanuel Marmillod | 2 | 3 | 6 | U Stenlund | 6 | 6 | ||||||||||||||||||||
| L Mattar | 6 | 1 | 6 | L Mattar | 3 | 0 | |||||||||||||||||||||
| Q |  P Bastiansen | 2 | 6 | 3 | 6 | U Stenlund | 4 | 6 | 7 | ||||||||||||||||||
| H de la Peña | 6 | 6 | H de la Peña | 6 | 1 | 5 | |||||||||||||||||||||
| Q |  M Wostenholme | 0 | 2 | H de la Peña | 6 | 6 | 6 | ||||||||||||||||||||
| H Sundström | 6 | 3 | 3 | H Leconte | 7 | 4 | 2 | ||||||||||||||||||||
| 3 | H Leconte | 7 | 6 | 6 | U Stenlund | 2 | 7 | 6 | |||||||||||||||||||
| 7 | T Benhabiles | 0 | 5 | C Mezzadri | 6 | 6 | 7 | ||||||||||||||||||||
| WC | R Stadler | 6 | 7 | WC | R Stadler | 6 | 6 | ||||||||||||||||||||
| WC |  M Bahrami | 7 | 6 | WC | M Bahrami | 3 | 1 | ||||||||||||||||||||
 C Limberger | 6 | 1 | WC | R Stadler | 4 | 1 | |||||||||||||||||||||
| LL | C Allgårdh | 2 | 6 | 0 | C Mezzadri | 6 | 6 | ||||||||||||||||||||
| C Mezzadri | 6 | 4 | 6 | C Mezzadri | 3 | 6 | 6 | ||||||||||||||||||||
| Q | G Giussani | 5 | 3 | 2 | J Nyström | 6 | 2 | 3 | |||||||||||||||||||
| 2 | J Nyström | 7 | 6 | ||||||||||||||||||||||||
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