2023 Barcelona Open Banc Sabadell – Singles
| Singles | |
|---|---|
| 2023 Barcelona Open Banc Sabadell | |
| Champion | Carlos Alcaraz |
| Runner-up | Stefanos Tsitsipas |
| Score | 6–3, 6–4 |
| Draw | 48 (6 Q / 4 WC ) |
| Seeds | 16 |
Defending champion Carlos Alcaraz defeated Stefanos Tsitsipas in the final, 6–3, 6–4 to win the singles tennis title at the 2023 Barcelona Open. He did not lose a set during the tournament. Alcaraz was the second Spaniard, after Rafael Nadal, to successfully defend the Barcelona Open title.