World No. Jannik Sinner, the 2024 U.S. Key points and original sources are listed below.

• World No. 1 Jannik Sinner has pulled out of the US Open due to a right knee injury, the Italian confirmed on Friday, according to the ATP website.S1

• Jannik Sinner, the 2024 U.S. Open champion who returned to the final last year, won’t be in the field this year.S2

• Jannik Sinner pulls out of US Open after failing to recover from knee injuryS3

• Sinner’s announcement came a day after world No.2 Carlos Alcaraz confirmed he would compete at Flushing Meadows following a four-month absence from competitive tennis.S4