2025 Barcelona Open Banc Sabadell – Singles
| Singles | |
|---|---|
| 2025 Barcelona Open Banc Sabadell | |
| Champion | Holger Rune |
| Runner-up | Carlos Alcaraz |
| Score | 7–6(8–6), 6–2 |
| Draw | 32 (6 Q / 3 WC) |
| Seeds | 8 |
Holger Rune defeated Carlos Alcaraz in the final, 7–6(8–6), 6–2 to win the singles tennis title at the 2025 Barcelona Open. It was his fifth career ATP Tour title, and his first since the 2023 BMW Open.
Casper Ruud was the defending champion, but lost in the quarterfinals to Rune.