# 1987 Monte Carlo Open – Singles

Joakim Nyström was the defending champion, but lost to Thomas Muster in the second round.
Mats Wilander won the title, defeating Jimmy Arias 4–6, 7–5, 6–1, 6–3 in the final.

## Seeds

All sixteen seeds received a bye to the second round.
* Boris Becker (second round)
* Stefan Edberg (second round)
* Yannick Noah (second round)
* Mats Wilander (champion)
* Andrés Gómez (quarterfinals)
* Emilio Sánchez (second round)
* Kent Carlsson (quarterfinals, retired due to illness)
* Joakim Nyström (second round)
* Martín Jaite (quarterfinals)
* Guillermo Vilas (third round)
* Jonas Svensson (second round)
* Jakob Hlasek (third round)
* Thierry Tulasne (third round)
* Tarik Benhabiles (third round)
* Aaron Krickstein (third round)
* Slobodan Živojinović (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 | Final | Final | |
| | Jimmy Arias | 6 | 2 | | | | | | | | | | | | | |
| 7 | Kent Carlsson | 0 | 2$^r$ | | | | | | | | | | | | | |
| 7 | Kent Carlsson | 0 | 2$^r$ | | Jimmy Arias | Jimmy Arias | 7 | 6 | | | | | | | | |
| | | | | | Horst Skoff | Horst Skoff | 5 | 1 | | | | | | | | |
| | Horst Skoff | 7 | 2 | 6 | Horst Skoff | Horst Skoff | 5 | 1 | | | | | | | | |
| 5 | Andrés Gómez | 5 | 6 | 4 | | | | | | | | | | | | |
| 5 | Andrés Gómez | 5 | 6 | 4 | | | | | | Jimmy Arias | 6 | 5 | 1 | 3 | | |
| | | | | | | | | | 4 | Mats Wilander | 4 | 7 | 6 | 6 | | |
| | Andrei Chesnokov | 1 | 3 | | | | | | | | | | | | 4 | Mats Wilander | 4 | 7 | 6 | 6 |
| 4 | Mats Wilander | 6 | 6 | | | | | | | | | | | | | |
| 4 | Mats Wilander | 6 | 6 | | 4 | Mats Wilander | 6 | 6 | | | | | | | | |
| | | | | | | Ulf Stenlund | 2 | 2 | | | | | | | | |
| 9 | Martín Jaite | 6 | 0 | 6 | | Ulf Stenlund | 2 | 2 | | | | | | | | |
| | Ulf Stenlund | 2 | 6 | 7 | | | | | | | | | | | | |

### Top half
#### Section 1

| 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 |
| | | | | | 1 | B Becker | 3 | 3 | | | | | | | | | |
| Q | M Westphal | 0 | 4 | | | J Arias | 6 | 6 | | | | | | | | | |
| | J Arias | 6 | 6 | | | | | | | J Arias | 7 | 6 | | | | | |
| | K Nováček | 3 | 7 | 6 | | | | | 15 | A Krickstein | 5 | 1 | | | | | |
| WC | T Champion | 6 | 6 | 3 | | K Nováček | 6 | 4 | | | | | | | | | |
| | | | | | 15 | A Krickstein | 7 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | J Arias | 6 | 2 |
| | | | | | | | | | | | | | | 7 | K Carlsson | 0 | 2$^r$ |
| | | | | | 10 | G Vilas | 7 | 6 | | | | | | | | | |
| | E Jelen | 2 | 2 | | | E Teltscher | 5 | 3 | | | | | | | | | |
| | E Teltscher | 6 | 6 | | | | | | 10 | G Vilas | 7 | 3 | 2 | | | | |
| | H de la Peña | 6 | 2 | 6 | | | | | 7 | K Carlsson | 6 | 6 | 6 | | | | |
| | S Casal | 2 | 6 | 3 | | H de la Peña | 1 | 4 | | | | | | | | | |
| | | | | | 7 | K Carlsson | 6 | 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 | Quarterfinals |
| | | | | | 3 | Y Noah | 6 | 5 | 2 | | | | | | | | | | |
| | H Skoff | 3 | 7 | 7 | | H Skoff | 3 | 7 | 6 | | | | | | | | | | |
| WC | P Arraya | 6 | 6 | 5 | | | | | | | H Skoff | 7 | 3 | 7 | | | | | |
| | R Agénor | 6 | 3 | 6 | | | | | | 14 | T Benhabiles | 5 | 6 | 6 | | | | | |
| | S Colombo | 3 | 6 | 4 | | R Agénor | 2 | 2 | | | | | | | | | | | |
| | | | | | 14 | T Benhabiles | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | H Skoff | 7 | 2 | 6 |
| | | | | | | | | | | | | | | | 5 | A Gómez | 5 | 6 | 4 |
| | | | | | 12 | J Hlasek | 6 | 6 | | | | | | | | | | | |
| | J Berger | 6 | 6 | | | J Berger | 4 | 2 | | | | | | | | | | | |
| WC | H Sundström | 4 | 2 | | | | | | | 12 | J Hlasek | 5 | 1 | | | | | | |
| | P Canè | 6 | 2 | | | | | | | 5 | A Gómez | 7 | 6 | | | | | | |
| | A Maurer | 7 | 6 | | | A Maurer | 1 | 3 | | | | | | | | | | | |
| | | | | | 5 | A Gómez | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | E Sánchez | 4 | 6 | | | | | | | | | |
| Q | R Osterthun | 6 | 6 | | Q | R Osterthun | 6 | 7 | | | | | | | | | |
| | B Dyke | 1 | 1 | | | | | | | Q | R Osterthun | 3 | 4 | | | | |
| | A Chesnokov | 7 | 1 | 6 | | | | | | | A Chesnokov | 6 | 6 | | | | |
| Q | C Pistolesi | 5 | 6 | 0 | | A Chesnokov | 6 | 6 | | | | | | | | | |
| | | | | | 11 | J Svensson | 2 | 0 | | | | | | | | | |
| | | | | | | | | | | | | | | | A Chesnokov | 1 | 3 |
| | | | | | | | | | | | | | | 4 | M Wilander | 6 | 6 |
| | | | | | 13 | T Tulasne | 0 | 6 | 6 | | | | | | | | |
| Q | C Bergström | 7 | 2 | 6 | Q | C Bergström | 6 | 3 | 2 | | | | | | | | |
| | L Pimek | 5 | 6 | 1 | | | | | | 13 | T Tulasne | 5 | 3 | | | | |
| WC | G Ocleppo | 2 | 1 | | | | | | | 4 | M Wilander | 7 | 6 | | | | |
| | J Gunnarsson | 6 | 6 | | | J Gunnarsson | 3 | 2 | | | | | | | | | |
| | | | | | 4 | M Wilander | 6 | 6 | | | | | | | | | |

#### 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 | Quarterfinals |
| | | | | | 8 | J Svensson | 6 | 3 | 6 | | | | | | | | | |
| | T Muster | 1 | 6 | 6 | | T Muster | 0 | 6 | 7 | | | | | | | | | |
| Q | J Sánchez | 6 | 1 | 3 | | | | | | | T Muster | 2 | 4 | | | | | |
| | L Mattar | 2 | 2 | | | | | | | 9 | M Jaite | 6 | 6 | | | | | |
| | T Šmíd | 6 | 6 | | | T Šmíd | 4 | 2 | | | | | | | | | | |
| | | | | | 9 | M Jaite | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 9 | M Jaite | 6 | 0 | 6 |
| | | | | | | | | | | | | | | | U Stenlund | 2 | 6 | 7 |
| | | | | | 16 | S Živojinović | 3 | 4 | | | | | | | | | | |
| Q | T Meinecke | 7 | 6 | | Q | T Meinecke | 6 | 6 | | | | | | | | | | |
| | G Forget | 5 | 1 | | | | | | | Q | T Meinecke | 5 | 3 | | | | | |
| | U Stenlund | 6 | 2 | 6 | | | | | | | U Stenlund | 7 | 6 | | | | | |
| | G Holmes | 0 | 6 | 4 | | U Stenlund | 2 | 6 | 6 | | | | | | | | | |
| | | | | | 2 | S Edberg | 6 | 1 | 4 | | | | | | | | | |