Garbine Muguruza protected her Monterrey Open title after Victoria Azarenka was compelled to resign with leg damage.
Previous world number one Azarenka, playing her first singles last in three years, required a restorative timeout in the wake of losing the main set to have lashing connected to her correct calf.
The Belarusian, 29, continued yet was unmistakably limited before pulling back when trailing 6-1 3-1.
“I’m content with this week,” said Spain’s Muguruza, 25.
“It’s an incredible inclination to return and protect a title – it’s never simple.”
It is two-time Excellent Hammer champion Muguruza’s first title since winning in Mexico a year ago.
Azarenka last challenged singles last in April 2016, winning both Indian Wells and Miami inside about fourteen days before reporting her pregnancy soon thereafter and bringing forth child Leo in December.
She came back to the game aggressively the accompanying summer, however, has been engaged with an authority fight with her child’s dad which has affected her tennis.
“It’s awful I couldn’t give my best today, however, I attempted my hardest,” a sorrowful Azarenka said.
“I need to state thank you to my child Leo, who isn’t with me here. I would love him to be here to impart this to me since it is uncommon.”