| Singles | |
|---|---|
| 2015 Barcelona Open Banc Sabadell | |
| Champion |
|
| Runner-up |
|
| Final score | 6–4, 6–4 |
| Draw | 48 (6Q / 4WC) |
| Seeds | 16 |
Kei Nishikori was the defending champion and successfully defended his title, defeating Pablo Andújar in final, 6–4, 6–4.
All seeds receive a bye into the second round.
Click on the seed number of a player to go to their draw section.