World No. 1 Jannik Sinner (knee) withdraws from U.S. Open
World No. 1 and 2024 champion Jannik Sinner withdrew from the upcoming U.S. Open on Friday with a knee injury.,The Italian star's news came less thanWorld No. 1 and 2024 champion Jannik Sinner withdrew from the upcoming U.S. Open on Friday with a knee injury.,The Italian star's news came less than