Who is Amanda Anisimova? American tennis star closing in on US Open final

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American tennis star Amanda Anisimova avenged her Wimbledon defeat to Iga Swiatek as she defeated the No. 2 seed in two sets, 6-4, 6-3, in the U.S. Open quarterfinals on Wednesday night at Arthur Ashe Stadium.

Swiatek put together one of the most dominant performances in Wimbledon finals history when she trounced Anisimova 6-0, 6-0. This time around, Anisimova got the better of Swiatek to advance to the U.S. Open semifinal.

"To come back from Wimbledon like that is really special to me," Anisimova said. "I feel like I worked so hard to try and turn around from that. ... Today is really special."

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Amanda Anisimova of the United States reacts after scoring a point against Iga Swiatek of Poland during the quarterfinals of the U.S. Open tennis tournament on Wednesday, Sept. 3, 2025, in Queens, New York. (AP Photo/Yuki Iwamura)

Anisimova said she knew she was going to have to "dig deep" to pull off the upset. 

"From the get-go, I was trying to fire myself up," Anisimova said. "(Swiatek) is one of the toughest players I've ever played. I knew I was going to have to dig deep."

The No. 8-seeded Anisimova will play No. 23-seeded Naomi Osaka for a chance to move on to her second consecutive Grand Slam final on Thursday at 8:10 p.m. ET.

Here is what you need to know about Anisimova heading into the U.S. Open semifinal.

Amanda Anisimova is the daughter of Konstantin and Olga Anisimova. The couple emigrated from Russia to the United States in 1998. She was born in New Jersey, but her family moved to Miami, Florida, when she was 3 years old. 

Anisimova's father introduced her to tennis when she