Australian Open in doubt for Alexander Zverev? World No.2 out of United Cup with bicep injury

World No.2 Alexander Zverev is a potential doubt for the 2025 Australian Open after abruptly having to withdraw from the United Cup in Perth heading into the New Year.

Zverev withdrew from the mixed teams tournament on Wednesday with a biceps strain less than two weeks before the start of the main event at Melbourne Park.

The 27-year-old won his opening two singles matches of the new season defeating Thiago Monteiro and Zhizhen Zhang in the United Cup. He was scheduled to face Alexander Shevchenko of Kazakhstan in Perth in the Quarter-Finals but he withdrew at the last minute.

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This allowed Elena Rybakina to steal a march as she easily toppled Laura Siegemund 6-3, 6-1 as Shevchenko also came from a set down to beat Masur.

"Alexander Zverev has withdrawn from the United Cup due to a bicep strain," organizers said. "Daniel Masur will take his place for Team Germany in today´s singles match against Kazakhstan."

A runner-up in the 2020 US Open and 2024 French Open, it is not a move that he would want going into 2025 and also sent the defending United Cup champions stumbling towards the exit door.

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