Author: Dan Wolken, USA TODAY

Though Frances Tiafoe fell to Carlos Alcaraz in the semifinals of the U.S. Open, his run in New York could be a turning point for American tennis.

Tiafoe put on the performance of his career Monday to knock 22-time Grand Slam champion Rafael Nadal out of the U.S. Open 6-4, 4-6, 6-4, 6-3.

In Sunday’s match at the U.S. Open against No. 1 seed Daniil Medvedev, Nick Kyrgios lost a crucial point in perhaps the most careless way possible.

Coco Gauff may not win as many Grand Slams as Serena Williams, but at this U.S. Open, she has an opportunity to take her place as the biggest star.

“I just honestly am so grateful that I had this moment,” Serena Williams said after her career likely came to a close in third round of U.S. Open.

Is the 40-year-old sure she wants to retire? She upsets No. 2 seed Anett Kontaveit in three sets to earn third-round match on Friday at U.S. Open.

Serena Williams defeated Danka Kovinic on Monday night at the U.S. Open, and will face No. 2 seed Anett Kontaveit in the second round on Wednesday.

The U.S. Open begins Monday. Serena Williams hopes to close out her legendary career in style, and Rafael Nadal seeks a fifth title in New York.