US OPEN TENNIS US OPEN 2023: Teen phenom Coco Gauff punches her ticket to the final, becoming the youngest American to do it since Serena Williams.

The 19-year-old sensation defeated Karolina Muchová 6-4, 7-5 in the U.S. Open semifinals on Thursday.

Gauff broke a 40-shot rally on the penultimate point as Muchová tried to force a tiebreaker on her serve to win the second set in straight sets.

Coco Gauff of the US celebrates her Women's Singles Semi-Finals win over Karolina Muchova of the Czech Republic on Arthur Ashe Stadium at the USTA National Tennis Centre on September 7, 2023 in Flushing, Queens, New York City.

Gauff had six match points before she won: one while she was up 5-3 in the second set and four on the final point.

With the win, she became the youngest American to reach the U.S. Open final since 17-year-old Serena Williams in 1999. Later, she defeated Martina Hingis for her first of 23 grand slam titles.

Williams was the first African American woman to win a singles grand slam in the Open Era.

Gauff lost to Iga Swiatek in the 2022 French Open final, her second Grand Slam final. Her previous best Queens finish was quarterfinals last year.

Coco Gauff celebrates match point against Karolina Muchova of the Czech Republic during their Women's Singles Semifinal match on Day Eleven of the 2023 US Open at the USTA Billie Jean King National Tennis Center 

The exciting protest may have made Gauff recall this night negatively, but now she wants a bigger prize.

I grew up watching this event, so being in the final means a lot. A lot to celebrate "Gauff. “But the job is not done, so hopefully you can back me on Saturday.”

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