American Coco Gauff gets fed up with chair umpire over US Open opponent's slow play: 'She's never ready!'

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American tennis star Coco Gauff’s first-round match against Germany’s Laura Siegemund at the 2023 U.S. Open lasted 2 hours and 51 minutes, and it was not because three sets were needed to determine the winner. 

Gauff held in her frustration with Siegemund’s slow pace of play throughout most of the match until it came to a head on Monday night at Arthur Ashe Stadium, where the No. 6 women’s tennis player in the tournament ripped into the chair umpire for not enforcing violations on Siegemund, who she believed was blatantly going slow. 

Siegemund had won the first set, 6-3, but after Gauff took the second, 6-2, and had a commanding 3-0 lead in the decisive third set, she was seen consistently putting her arms in the chair to signal that she was not ready for Gauff’s serves. 

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Coco Gauff celebrates after match point against Laura Siegemund during their Women's Singles First Round match on Day One of the 2023 US Open at the USTA Billie Jean King National Tennis Center on Aug. 28, 2023 in the Flushing neighborhood of the Queens borough of New York City. (Sarah Stier/Getty Images)

That was when the 19-year-old lost it and let it be known verbally.

"She’s never ready when I’m serving, she went over to talk like four times, you only gave her a time violation once, how is this fair?" Gauff yelled to the umpire. 

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After an answer from the chair umpire, Gauff said, "No, you’re calling the score after the point is over, it’s not like we’re playing long points. You’re calling the score like