# 1984 Geneva Open – Singles

Mats Wilander was the defending champion but lost in the quarterfinals this year.
Aaron Krickstein won the title, defeating Henrik Sundström 6–7, 6–1, 6–4 in the final.

## Seeds

* Mats Wilander (quarterfinals)
* Henrik Sundström (final)
* Juan Aguilera (quarterfinals)
* Tomáš Šmíd (quarterfinals)
* Aaron Krickstein (champion)
* Libor Pimek (semifinals)
* Zoltán Kuhárszky (first round)
* Emilio Sánchez (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 | Final | Final |
| 5 | Aaron Krickstein | 6 | 6 | 6 | | | | | |
| | Alejandro Ganzábal | 7 | 0 | 2 | | | | | |
| | Alejandro Ganzábal | 7 | 0 | 2 | 5 | Aaron Krickstein | 6 | 6 | 6 |
| | | | | | 2 | Henrik Sundström | 7 | 1 | 4 |
| 6 | Libor Pimek | 3 | 4 | | 2 | Henrik Sundström | 7 | 1 | 4 |
| 2 | Henrik Sundström | 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 | Semifinals |
| 1 | M Wilander | 6 | 6 | | | | | | | | | | | | | | | | |
| WC | R Stadler | 2 | 1 | | 1 | M Wilander | 5 | 6 | 6 | | | | | | | | | | |
| | J Avendaño | 2 | 7 | 3 | | M Jaite | 7 | 4 | 2 | | | | | | | | | | |
| | M Jaite | 6 | 6 | 6 | | | | | | 1 | M Wilander | 3 | 7 | 4 | | | | | |
| Q | E Bengoechea | 6 | 3 | 6 | | | | | | 5 | A Krickstein | 6 | 6 | 6 | | | | | |
| Q | P Hjertquist | 4 | 6 | 3 | Q | E Bengoechea | 3 | 4 | | | | | | | | | | | |
| | D Tarr | 4 | 2 | | 5 | A Krickstein | 6 | 6 | | | | | | | | | | | |
| 5 | A Krickstein | 6 | 6 | | | | | | | | | | | | 5 | A Krickstein | 6 | 6 | 6 |
| 4 | T Šmíd | 6 | 7 | | | | | | | | | | | | | A Ganzábal | 7 | 0 | 2 |
| Q | J Bardou | 2 | 6 | | 4 | T Šmíd | 6 | 6 | | | | | | | | | | | |
| | P Elter | 6 | 3 | 6 | | P Elter | 3 | 3 | | | | | | | | | | | |
| | P Doohan | 3 | 6 | 1 | | | | | | 4 | T Šmíd | 7 | 2 | 6 | | | | | |
| | A Ganzábal | 1 | 7 | 6 | | | | | | | A Ganzábal | 6 | 6 | 7 | | | | | |
| | R Viver | 6 | 6 | 2 | | A Ganzábal | 6 | 6 | 7 | | | | | | | | | | |
| | S Colombo | 6 | 6 | | | S Colombo | 7 | 1 | 5 | | | | | | | | | | |
| 8 | E Sánchez | 3 | 3 | | | | | | | | | | | | | | | | |

### 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 |
| 6 | L Pimek | 2 | 6 | 6 | | | | | | | | | | | | |
| | K Carlsson | 6 | 2 | 3 | 6 | L Pimek | 6 | 6 | | | | | | | | |
| Q | J Čihák | 7 | 7 | | Q | J Čihák | 0 | 4 | | | | | | | | |
| | J Fillol | 6 | 6 | | | | | | 6 | L Pimek | 6 | 7 | | | | |
| | J Carlsson | 5 | 1 | | | | | | 3 | J Aguilera | 1 | 6 | | | | |
| WC | Christoph Meyer | 7 | 6 | | WC | C Meyer | 2 | 2 | | | | | | | | |
| | C Panatta | 4 | 0 | | 3 | J Aguilera | 6 | 6 | | | | | | | | |
| 3 | J Aguilera | 6 | 6 | | | | | | | | | | 6 | L Pimek | 3 | 4 |
| 7 | Z Kuhárszky | 3 | 6 | | | | | | | | | | 2 | H Sundström | 6 | 6 |
| | D Keretić | 6 | 7 | | | D Keretić | 6 | 6 | | | | | | | | |
| | M Ostoja | 5 | 4 | | | G Urpí | 3 | 4 | | | | | | | | |
| | G Urpí | 7 | 6 | | | | | | | D Keretić | 3 | 4 | | | | |
| | A Tous | 7 | 7 | | | | | | 2 | H Sundström | 6 | 6 | | | | |
| | G Rivas | 6 | 6 | | | A Tous | 3 | 3 | | | | | | | | |
| WC | I Năstase | 2 | 6 | | 2 | H Sundström | 6 | 6 | | | | | | | | |
| 2 | H Sundström | 6 | 7 | | | | | | | | | | | | | |