Reilly Opelka unloaded on a heckler and the chair umpire then called on the ATP to take action after a wild win in Dallas.
"The surgery went smoothly," Bianca Andreescu said on social media.
"I want to help the next generation of student athletes," says Gauff.
Emma Raducanu accepts a main-draw wild card for next week's Qatar Total Open.
Carlos Alcaraz plays for first men's three-peat in the desert since Novak Djokovic did it in 2016.
More about the new and improved Cincinnati Open.
Gonçalo Oliveira, who reached a career-high doubles rank of No. 77, tested positive for methamphetamine.
