2017 Barcelona Open Banco Sabadell – Singles
| Singles | |
|---|---|
| 2017 Barcelona Open Banco Sabadell | |
| Champion | Rafael Nadal |
| Runner-up | Dominic Thiem |
| Score | 6–4, 6–1 |
| Draw | 48 (6 Q / 5 WC ) |
| Seeds | 16 |
Defending champion Rafael Nadal defeated Dominic Thiem in the final, 6–4, 6–1 to win the singles tennis title at the 2017 Barcelona Open. It was his record-extending tenth Barcelona Open title. The day before this tournament started, Nadal became the first man in the Open Era to win 10 titles at a tournament when he won his 10th Monte Carlo Masters title. By virtue of his 10th Barcelona Open title, he is the first man in the Open Era to win 2 different tournaments 10 times each.