Porto CH 1991 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Stefano Pescosolido | m. | Roberto Azar | 6-1 6-1 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Stefano Pescosolido | m. | Tarik Benhabiles | 6-4 0-6 6-2 |
| Roberto Azar | m. | Bart Wuyts | 1-6 6-2 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Tarik Benhabiles | m. | Mark Koevermans | 6-7 6-1 6-4 |
| Stefano Pescosolido | m. | Paul Haarhuis | 6-7 6-2 6-2 |
| Roberto Azar | m. | Francisco Clavet | 2-6 7-6 6-4 |
| Bart Wuyts | m. | Marcelo Filippini | 6-1 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Mark Koevermans | m. | Martin Strelba | 6-4 7-5 |
| Tarik Benhabiles | m. | Diego Nargiso | 6-3 6-2 |
| Paul Haarhuis | m. | David De Miguel | 6-4 6-4 |
| Stefano Pescosolido | m. | Andrei Olhovskiy | 6-3 6-0 |
| Roberto Azar | m. | Joao Cunha Silva | 6-1 6-4 |
| Francisco Clavet | m. | Claudio Pistolesi | 6-3 7-6 |
| Bart Wuyts | m. | Carlos Costa | 6-2 6-4 |
| Marcelo Filippini | m. | Francisco Roig | 4-1 RET |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Mark Koevermans | m. | Pedro Rebolledo | 6-3 6-2 |
| Martin Strelba | m. | Dimitri Poliakov | 6-4 6-3 |
| Tarik Benhabiles | m. | Slava Dosedel | 6-2 6-4 |
| Diego Nargiso | m. | Fernando Luna | 6-2 6-4 |
| Paul Haarhuis | m. | Olivier Delaitre | 6-4 7-6 6-1 |
| David De Miguel | m. | Henrik Holm | 6-1 6-2 |
| Stefano Pescosolido | m. | Emanuel Couto | 6-2 7-5 |
| Andrei Olhovskiy | m. | Veli Paloheimo | 6-2 6-3 |
| Joao Cunha Silva | m. | Bernardo Mota | 6-4 6-3 |
| Roberto Azar | m. | Jose Antonio Fernandez | 6-2 6-2 |
| Claudio Pistolesi | m. | Diego Perez | 7-6 7-5 |
| Francisco Clavet | m. | German Lopez | 7-6 6-1 |
| Bart Wuyts | m. | Nuno Marques | 4-6 6-1 6-1 |
| Carlos Costa | m. | Jose Francisco Altur | 7-5 6-2 |
| Francisco Roig | m. | Christer Allgardh | 6-4 6-3 |
| Marcelo Filippini | m. | Paulo Machado | 6-2 6-0 |