LPGA golfer Michelle Wie blasted Hank Haney on Wednesday after the famed instructor made racist and sexist comments about South Korean golfers on his SiriusXM radio show.

In discussing the U.S. Women’s Open, which is set to begin play at the Country Club of Charleston on Thursday, Haney, best known as Tiger Woods’ former swing coach, said, “I’m gonna predict a Korean.”

“I couldn’t name you, like, six players on the LPGA Tour,” Haney went on to say.

When Steve Johnson, his co-host, concurred, things went from bad to worse.

“Well, I’d go with Lee,” Haney said. “If I didn’t have to name a first name, I’d get a bunch of them right. … I don’t know that many. Where are they playing, by the way?”

Wie, who won the U.S. Women’s Open in 2014, took to Twitter to respond.

“As a Korean American female golfer, these comments that @HankHaney made disappoint and anger me on so many different levels,” she wrote. “Racism and sexism are no laughing matter Hank … shame on you. I don’t ever do this, but it must be called out.”

In a second tweet, she continued: “Too many of these girls, Korean or not, have worked countless hours and sacrificed so much to play in the U.S. Open this week. There are so many amazing players in the field. Let’s celebrate them … Not mock them.”

Haney issued an apology on Twitter, saying his comments were made “in an effort to make a point about the overwhelming success of Korean players on the tour.”

“I have the highest respect for the women who have worked so hard to reach the pinnacle of their sport,” Haney wrote in part, “and I never meant to take away from their abilities and accomplishments.”