Oporto 1990 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Larsson | d. | Lawson Duncan | 6-7 7-5 6-0 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Larsson | d. | Aki Rahunen | 6-4 6-4 |
| Lawson Duncan | d. | Omar Camporese | 6-2 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Larsson | d. | Guillermo Perez Roldan | 7-5 6-4 |
| Aki Rahunen | d. | Javier Sanchez | 6-4 4-6 7-5 |
| Lawson Duncan | d. | Tomas Carbonell | 7-5 6-3 |
| Omar Camporese | d. | Fernando Luna | 6-1 7-6 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Perez Roldan | d. | Udo Riglewski | 6-7 6-1 6-4 |
| Magnus Larsson | d. | Mark Koevermans | 3-6 6-3 7-6 |
| Aki Rahunen | d. | Alberto Mancini | 2-6 6-2 6-3 |
| Javier Sanchez | d. | Francisco Clavet | 7-6 6-0 |
| Tomas Carbonell | d. | Ronald Agenor | 6-3 6-0 |
| Lawson Duncan | d. | Diego Perez | 6-3 6-1 |
| Fernando Luna | d. | Eduardo Bengoechea | 6-1 6-1 |
| Omar Camporese | d. | Horacio De La Pena | 6-3 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Perez Roldan | d. | Cedric Pioline | 4-6 7-5 7-6 |
| Udo Riglewski | d. | Thierry Tulasne | 6-1 6-1 |
| Mark Koevermans | d. | Jose Francisco Altur | 4-6 6-2 7-6 |
| Magnus Larsson | d. | Luiz Mattar | 6-3 6-2 |
| Alberto Mancini | d. | Marcos Aurelio Gorriz | 6-2 7-6 |
| Aki Rahunen | d. | Cassio Motta | 6-4 7-5 |
| Francisco Clavet | d. | Bruno Oresar | 6-1 7-6 |
| Javier Sanchez | d. | Roberto Azar | 6-1 3-6 6-1 |
| Ronald Agenor | d. | Andrei Cherkasov | 7-6 7-6 |
| Tomas Carbonell | d. | Andrew Sznajder | 6-2 6-2 |
| Diego Perez | d. | Claudio Pistolesi | 6-2 5-7 6-2 |
| Lawson Duncan | d. | Franco Davin | 2-6 7-6 6-2 |
| Fernando Luna | d. | Sergi Bruguera | 7-5 6-4 |
| Eduardo Bengoechea | d. | Tarik Benhabiles | 6-4 6-3 |
| Horacio De La Pena | d. | Martin Wostenholme | 7-6 6-1 |
| Omar Camporese | d. | Horst Skoff | 6-2 6-0 |