2013 Proton Malaysian Open – Singles
| Singles | |
|---|---|
| 2013 Proton Malaysian Open | |
| Champion | João Sousa |
| Runner-up | Julien Benneteau |
| Score | 2–6, 7–5, 6–4 |
| Draw | 28 |
| Seeds | 8 |
João Sousa won the title, defeating Julien Benneteau 2–6, 7–5, 6–4 in the final. He saved a championship point in the second set and became the first player from Portugal to win an ATP title.
Juan Mónaco was the defending champion, but withdrew before the event started.