# 1983 Lisbon Open – Singles

The 1983 Lisbon Open – Singles was an event of the 1983 Lisbon Open men's tennis tournament held in Lisbon, Portugal from 4 April until 10 April 1983. The draw comprised 32 players and eight players were seeded. Second-seeded Mats Wilander won the singles title, defeating third-seeded Yannick Noah in the final, 2–6, 7–6, 6–4.

## Seeds

* José Higueras (semifinals)
* Mats Wilander (champion)
* Yannick Noah (final)
* Andrés Gómez (second round)
* Jimmy Arias (second round)
* Balázs Taróczy (first round)
* Manuel Orantes (first round)
* Henrik Sundström (second round)

## Draws
### Key

* Q – Qualifier

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals | Finals |
| 1 | José Higueras | 4 | 2 | | | | | |
| 3 | Yannick Noah | 6 | 6 | 3 | Yannick Noah | 6 | 6 | 4 |
| Q | Libor Pimek | 2 | 3 | 2 | Mats Wilander | 2 | 7 | 6 |
| 2 | Mats Wilander | 6 | 6 | | | | | |

### Section 1

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Higueras | 6 | 6 | | | | | | | | | | | | | | |
| | P Cordeiro | 1 | 0 | | 1 | J Higueras | 2 | 6 | 6 | | | | | | | | |
| Q | D Perez | 6 | 4 | 6 | Q | D Perez | 6 | 1 | 3 | | | | | | | | |
| | F Luna | 3 | 6 | 0 | | | | | | 1 | J Higueras | 7 | 6 | | | | |
| | D Keretić | 6 | 6 | | | | | | | | S Glickstein | 5 | 0 | | | | |
| | M Tideman | 4 | 4 | | | D Keretić | 0 | 3 | | | | | | | | | |
| | S Glickstein | 2 | 6 | 6 | | S Glickstein | 6 | 6 | | | | | | | | | |
| 6 | B Taróczy | 6 | 4 | 3 | | | | | | | | | | 1 | J Higueras | 4 | 2 |
| 3 | Y Noah | 6 | 7 | | | | | | | | | | | 3 | Y Noah | 6 | 6 |
| | J Aguilera | 3 | 5 | | 3 | Y Noah | 7 | 7 | | | | | | | | | |
| | J Velasco Sr. | 7 | 1 | 6 | | J Velasco Sr. | 5 | 5 | | | | | | | | | |
| | S Simonsson | 5 | 6 | 3 | | | | | | 3 | Y Noah | 6 | 6 | | | | |
| | C Barazzutti | 6 | 4 | 6 | | | | | | | C Barazzutti | 2 | 4 | | | | |
| | M Hocevar | 4 | 6 | 3 | | C Barazzutti | 6 | 6 | 6 | | | | | | | | |
| | H Simonsson | 3 | 1 | | 8 | H Sundström | 7 | 1 | 1 | | | | | | | | |
| 8 | H Sundström | 6 | 6 | | | | | | | | | | | | | | |

### Section 2

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Orantes | 6 | 3 | 2 | | | | | | | | | | | | | |
| Q | L Pimek | 2 | 6 | 6 | Q | L Pimek | 6 | 6 | | | | | | | | | |
| | P Složil | 6 | 6 | | | P Složil | 2 | 3 | | | | | | | | | |
| | W Popp | 2 | 2 | | | | | | | Q | L Pimek | 6 | 6 | | | | |
| | A Järryd | 6 | 6 | | | | | | | | A Järryd | 2 | 2 | | | | |
| | P Cash | 3 | 3 | | | A Järryd | 6 | 4 | 6 | | | | | | | | |
| | C Kirmayr | 1 | 7 | 6 | 4 | Gómez | 1 | 6 | 2 | | | | | | | | |
| 4 | Gómez | 6 | 6 | 7 | | | | | | | | | | Q | L Pimek | 2 | 3 |
| 5 | J Arias | 3 | 7 | 6 | | | | | | | | | | 2 | M Wilander | 6 | 6 |
| | M Martinez | 6 | 5 | 3 | 5 | J Arias | 6 | 2 | | | | | | | | | |
| | G Forget | 5 | 1 | | | V Pecci | 7 | 6 | | | | | | | | | |
| | V Pecci | 7 | 6 | | | | | | | | V Pecci | 4 | 2 | | | | |
| Q | C Motta | 6 | 2 | 7 | | | | | | 2 | M Wilander | 6 | 6 | | | | |
| | H Günthardt | 2 | 6 | 5 | Q | C Motta | 6 | 6 | 0 | | | | | | | | |
| | H Solomon | 6 | 2 | | 2 | M Wilander | 7 | 3 | 6 | | | | | | | | |
| 2 | M Wilander | 7 | 6 | | | | | | | | | | | | | | |