Sorana Cirstea of Romania reacts after defeating Aryna Sabalenka during...

Sorana Cirstea of Romania reacts after defeating Aryna Sabalenka during the Miami Open tennis tournament, Wednesday, March 29, 2023, in Miami Gardens, Fla. Credit: AP/Marta Lavandier

MIAMI GARDENS, Fla. — Sorana Cirstea advanced to her first semifinal of a WTA 1000 event in a decade, beating Australian Open champion Aryna Sabalenka 6-4, 6-4 at the Miami Open on Wednesday.

The 32-year-old Cirstea beat the highest-ranked opponent of her career by knocking off the second-ranked Sabalenka. Cirstea previously defeated No. 4 Caroline Garcia this month at Indian Wells and topped Garcia again in the second round at Miami.

“I think I’m a bit speechless,” Cirstea said. “I came out knowing that it’s going to be a really tough match. Aryna hits so hard, so I knew I had to hold my ground, and I’m very, very happy with my performance today.”

The 74th-ranked Romanian, who has two career singles titles, will face the winner of Wednesday night's match between Petra Kvitova and Ekaterina Alexandrova in the semifinals.

Alexandrova advanced on Tuesday when Bianca Andreescu suffered a left ankle injury and left the court in a wheelchair. On Wednesday, the 22-year-old Andreescu tweeted that she tore two ligaments in her ankle and will be out indefinitely.

“It's tough to say exactly how long it will take, but let's just say it could've been much worse!! I'm going to take it day by day, and I am optimistic that with the right work, rehab, and preparation, I'll be back on court soon,” the 2019 U.S. Open champion said in her social media post.

Sabalenka had six double faults, three of them on break point, and made 21 unforced errors to just nine for Cirstea.

Aryna Sabalenka cools off between sets against Sorana Cirstea of...

Aryna Sabalenka cools off between sets against Sorana Cirstea of Romania during the Miami Open tennis tournament, Wednesday, March 29, 2023, in Miami Gardens, Fla. Credit: AP/Marta Lavandier

“I guess people like to keep count of the age, the years, the results, but I never do that. I just mind my own business, work hard, do my thing, believe in my game, work with my coach Thomas Johansson — we just started in December and so far, I think it’s going great,” Cirstea said.

In the men's draw, No. 1 Carlos Alcaraz was facing 10th-ranked Taylor Fritz in a night match. The winner will face No. 11 Jannik Sinner, a 6-3, 6-1 winner over Emil Ruusuvuori.

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