1991 Athens Open – Singles
| Singles | |
|---|---|
| 1991 Athens Open | |
| Champion |
 Sergi Bruguera
|
| Runner-up |
Jordi Arrese
|
| Final score | 7–5, 6–3 |
Mark Koevermans was the defending champion, but lost in the quarterfinals this year.
Sergi Bruguera won the tournament, beating Jordi Arrese in the final, 7–5, 6–3.
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