# 1987 Geneva Open – Singles

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.

## Seeds

* 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)

## 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 | Semifinals | Final | Final | Final |
| 1 | Andrés Gómez | 6 | 6 | 0 | | | |
| | Tomáš Šmíd | 7 | 4 | 6 | | | |
| | Tomáš Šmíd | 7 | 4 | 6 | Tomáš Šmíd | 4 | 5 |
| | | | | | Claudio Mezzadri | 6 | 7 |
| 6 | Ulf Stenlund | 2 | 7 | 6 | Claudio Mezzadri | 6 | 7 |
| | Claudio Mezzadri | 6 | 6 | 7 | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | 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 | | | | | | | | | | | | | | | |

### Bottom 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 | 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 | | | | | | | | | | | | | | | | |