2023 Monterrey Open – Singles
| Singles | |
|---|---|
| 2023 Monterrey Open | |
| Champion | Donna Vekić |
| Runner-up | Caroline Garcia |
| Score | 6–4, 3–6, 7–5 |
| Draw | 32 |
| Seeds | 8 |
Donna Vekić defeated Caroline Garcia in the final, 6–4, 3–6, 7–5 to win the women's singles tennis title at the 2023 Monterrey Open. It was her fourth career WTA title.
Leylah Fernandez was the two-time defending champion, but chose not to participate this year.