Diane Parry defeated Elise Mertens in the final, 6–4, 0–6, 6–3 to win the singles tennis title at the 2026 Monterrey Open. It was her first WTA Tour singles title. Parry was the first Frenchwoman to win Monterrey since Marion Bartoli won the inaugural edition in 2009.
Diana Shnaider was the reigning champion, but did not participate this year.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw