In the opening set of her third-round match towards Elise Mertens on Friday, Coco Gauff seemed fallible, pissed off and like she could be completed early, nothing like she had earlier this week on the U.S. Open.

Mertens, a 27-year-old Belgian, was enjoying loosely and aggressively, whereas Gauff, the 19-year-old American celebrity, made error after error on nearly each stroke. Gauff, often possessing preternatural emotional maturity and composure, confirmed frustration all through the early a part of the match, uncharacteristically yelling out angrily after a double fault within the first set, which Mertens gained 6-3.

It was all of the sudden simple to think about Gauff’s run on the U.S. Open coming to an finish on this cool New York night.

Instead, Gauff turned it on and turned the emotional tables on Mertens. She gained the second set much less shakily, 6-3, and by the third, it was clear how badly Gauff needed to win, as she used her immense foot velocity to trace down each ball, forcing Mertens into errors. Gauff gained the third set cleanly, 6-0.

“The energy today definitely helped me, I felt you guys, I was playing every point my hardest,” Gauff mentioned in her on-court interview. “When you lose the first set, you know that you have to show that you left all that energy in the first set and you’re ready to play.”

Gauff mentioned that the “three setters show everybody else that I’m not going down without a fight.”

The early night time match at Arthur Ashe Stadium drew a packed home that included the pop star Justin Bieber and his spouse, the mannequin and influencer Hailey Bieber, together with the Vogue editor in chief Anna Wintour and the actress Katie Holmes.

The crowd was lopsided for Gauff from the night time’s opening serve. Cheers of “Let’s go, Coco” and “Finish her, Coco” boomed all through the stadium. The crowd jumped to its ft and followers high-fived one another at each optimistic flip for Gauff, although it was gradual going till the second set.

Friday marked the third time the 2 had confronted one another, with Gauff successful their final encounter in straight units on the 2022 French Open. Gauff acknowledged in an interview earlier than the match that she had gained their final encounter handily, and wasn’t anticipating to win so simply this time round.

Not lengthy into the primary set it appeared nearly sure that Mertens would advance to the spherical of 16. Then every part flipped.

Gauff misplaced the primary sport of the second set, then fought exhausting to carry serve after six deuce factors. On the sixth, she hit an ace down the center and screamed “Come on!” It was her fourth ace of the match at that time. As the match wore on she crushed a dangerous overhead and when Mertens hit a crazy cross-court backhand, Gauff pounced, sprinting to the ball after which leaping within the air to crush it down the road along with her forehand.

When she clinched the second set with a backhand winner down the road, she pumped a fist, and prolonged her arms, beckoning the gang to cheer for her. Mertens seemed hopeless.

Gauff began the third set energetically as Mertens’s sport utterly fell aside. She netted forehands, hit backhands lengthy and double-faulted.

Gauff will subsequent play Caroline Wozniacki, who not too long ago returned to tennis after retiring three years ago to concentrate on constructing a household. Wozniacki has had a stellar start to the match, defeating Petra Kvitova in straight units in her first-round match and Jennifer Brady in three units, after being down a set, in her second-round match.

Gauff mentioned she advised Wozniacki when she retired that she wished she’d had an opportunity to play her. “That wish came true,” she mentioned. “Playing a legend like her is really exciting and I’m not going to take the moment for granted.”

Gauff, who had seemed like a veteran as she steamrollered Mertens within the third set, shortly reminded us she remains to be an adolescent.

In an interview on the ESPN desk inside Ashe after the match, Gauff mentioned she observed Bieber within the crowd through the second set.

“Oh yeah, I definitely saw who was there,” she mentioned with a giggle. “I thought I cannot lose in front of Justin Bieber. I didn’t lose a game after I saw that. I got a little tight when I first saw him, then I remembered President Obama and Michelle Obama were at my first round match.”