Oporto 1983 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Jimmy Arias | d. | Francesco Cancellotti | 6-4 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Francesco Cancellotti | d. | Eddie Dibbs | 3-6 7-5 6-2 |
| Jimmy Arias | d. | Stefan Simonsson | 3-6 6-3 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Eddie Dibbs | d. | Georges Goven | 6-3 6-4 |
| Francesco Cancellotti | d. | Ricardo Cano | 6-4 3-6 7-6 |
| Stefan Simonsson | d. | Angel Gimenez | 7-5 7-6 |
| Jimmy Arias | d. | Thierry Tulasne | 6-4 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Georges Goven | d. | Marko Ostoja | 6-3 7-6 |
| Eddie Dibbs | d. | Givaldo Barbosa | 2-6 7-6 6-3 |
| Francesco Cancellotti | d. | Bernard Fritz | 6-7 7-5 RET |
| Ricardo Cano | d. | Mike De Palmer | 6-3 6-7 6-4 |
| Stefan Simonsson | d. | Juan Avendano | 1-6 7-6 6-4 |
| Angel Gimenez | d. | Martin Jaite | 4-6 6-1 6-0 |
| Thierry Tulasne | d. | Florin Segarceanu | 6-2 6-3 |
| Jimmy Arias | d. | Pat Cash | 6-4 6-1 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Georges Goven | d. | Vitas Gerulaitis | 6-3 6-4 |
| Marko Ostoja | d. | Luca Bottazzi | 4-1 RET |
| Eddie Dibbs | d. | Adriano Panatta | 6-2 4-6 6-3 |
| Givaldo Barbosa | d. | Dominique Bedel | 6-0 7-6 |
| Francesco Cancellotti | d. | John Alexander | 6-3 6-3 |
| Bernard Fritz | d. | Wally Masur | 1-6 6-4 6-4 |
| Ricardo Cano | d. | Gianni Ocleppo | 6-2 7-6 |
| Mike De Palmer | d. | Gianluca Rinaldini | 4-6 6-3 6-4 |
| Juan Avendano | d. | Thomas Hogstedt | 7-6 1-6 6-1 |
| Stefan Simonsson | d. | Paolo Bertolucci | 6-3 6-4 |
| Martin Jaite | d. | Mario Martinez | 2-6 6-2 7-5 |
| Angel Gimenez | d. | Hans Gildemeister | 7-5 6-3 |
| Thierry Tulasne | d. | Victor Pecci | 6-4 6-1 |
| Florin Segarceanu | d. | Freddie Sauer | 6-0 6-3 |
| Pat Cash | d. | Francisco Gonzalez | 6-4 6-3 |
| Jimmy Arias | d. | Gilles Moretton | 6-3 7-5 |