US Open 2023: Teen phenom Coco Gauff punches ticket to final; youngest American to do so since Serena Williams

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Coco Gauff is putting her name in the history books.

The 19-year-old phenom won her semifinals match at the U.S. Open on Thursday over Karolina Muchová, 6-4, 7-5.

Although the victory came in straight sets, it hardly came easily - the penultimate point was a 40-shot rally as Muchová was desperately trying to get the second set into a tiebreaker on her serve - but Gauff was able to break the point to clinch the win.

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Coco Gauff of the United States celebrates her victory against Karolina Muchova of the Czech Republic in the Women's Singles Semi-Finals match on Arthur Ashe Stadium during the US Open Tennis Championship 2023 at the USTA National Tennis Centre on September 7th, 2023 in Flushing, Queens, New York City.   (Tim Clayton/Corbis via Getty Images)

Gauff actually had six separate match points before she closed the match - one came when she was up 5-3 in the second set, and another four came on the final point.

But the American obviously had the home-court advantage and prevailed.

"Some of those points, it was so loud, and I don't know if my ears are going to be OK," said Gauff

With the victory, she is the youngest American to reach the U.S. Open final since the legendary Serena Williams did so in 1999 when she was just 17 years old. She would go on to defeat Martina Hingis for her first of 23 grand slam titles.

At the time, Williams became the first African American woman in the Open Era to win a singles grand slam.

This is Gauff's second Grand Slam final, having made it to the final in the 2022 French Open where she lost to Iga Swiatek. Her previous best finish in Queens was in