Diana Shnaider defeated Ekaterina Alexandrova in the final, 6–3, 4–6, 6–4 to win the singles tennis title at the 2025 Monterrey Open. It was her fifth WTA Tour singles title, and she saved five match points en route, in the quarterfinals against Elise Mertens.
Linda Nosková was the defending champion, but lost in the quarterfinals to Alexandrova.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw