Gstaad 1990 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Martin Jaite | m. | Sergi Bruguera | 6-3 6-7 6-2 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Martin Jaite | m. | Ronald Agenor | 7-5 6-1 |
| Sergi Bruguera | m. | Marc Rosset | 6-3 7-5 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ronald Agenor | m. | Carl Uwe Steeb | 3-6 6-2 6-2 |
| Martin Jaite | m. | Jim Courier | 3-6 7-6 6-4 |
| Sergi Bruguera | m. | Andrei Chesnokov | 6-2 6-3 |
| Marc Rosset | m. | Emilio Sanchez | 6-4 3-6 6-3 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ronald Agenor | m. | Andres Gomez | 1-6 7-5 6-3 |
| Carl Uwe Steeb | m. | Milan Srejber | 3-6 6-3 6-4 |
| Martin Jaite | m. | Cassio Motta | 7-6 6-1 |
| Jim Courier | m. | Horst Skoff | 6-3 6-3 |
| Sergi Bruguera | m. | Juan Aguilera | 6-3 6-4 |
| Andrei Chesnokov | m. | Tomas Carbonell | 7-5 6-3 |
| Marc Rosset | m. | Wally Masur | 6-4 5-7 7-6 |
| Emilio Sanchez | m. | Jordi Arrese | 6-3 6-2 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Andres Gomez | m. | Stefano Pescosolido | 1-6 6-1 6-3 |
| Ronald Agenor | m. | Martin Wostenholme | 6-4 6-7 6-3 |
| Milan Srejber | m. | Omar Camporese | 6-2 6-3 |
| Carl Uwe Steeb | m. | Javier Sanchez | 6-2 6-4 |
| Martin Jaite | m. | Markus Zoecke | 7-5 6-4 |
| Cassio Motta | m. | Marko Ostoja | 2-6 6-4 7-5 |
| Horst Skoff | m. | Christian Bergstrom | 6-4 6-3 |
| Jim Courier | m. | Tarik Benhabiles | 7-5 RET |
| Juan Aguilera | m. | Cyril Suk | 7-6 2-6 7-5 |
| Sergi Bruguera | m. | Alberto Mancini | 6-3 6-4 |
| Tomas Carbonell | m. | David Wheaton | 6-2 6-4 |
| Andrei Chesnokov | m. | Andrei Cherkasov | 6-3 7-6 |
| Marc Rosset | m. | Karel Novacek | 7-6 5-7 6-2 |
| Wally Masur | m. | Horacio De La Pena | 7-6 6-4 |
| Jordi Arrese | m. | Luiz Mattar | 7-5 6-4 |
| Emilio Sanchez | m. | Jimmy Arias | 6-3 6-4 |