NEW YORK, NY—The 2025 US Open confirmed Tuesday that Jannik Sinner had withdrawn from his scheduled mixed doubles first round alongside Katerina Siniakova.
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Less than 24 hours ago, the world No. 1 and defending US Open singles champion was forced to retire from the Cincinnati Open final, citing illness.
“I’m super, super sorry to disappoint you guys,” Sinner told the crowd during Monday's trophy ceremony. “(Since) yesterday I didn’t feel great. I thought that I would improve during the night, but it came up worse. I tried to come out, trying to make it even in a small match, but I couldn’t handle more.”