Thrilling Day at U.S. Open: Big Wins, Unexpected Retirements, and Surprising Upsets

The fourth day of the U.S. Open featured significant wins, including Jessica Pegula's hard-fought victory over Sofia Kenin and Iga Swiatek's dominant performance against Ena Shibahara. Key moments included Elena Rybakina's withdrawal due to injury and Jordan Thompson's upset over Hubert Hurkacz. Other highlights involved victories by Jannik Sinner, Jasmine Paolini, Diana Shnaider, and Anna Kalinskaya.

On the fourth day of the U.S. Open at Flushing Meadows, sixth seed Jessica Pegula triumphed over former Australian Open champion Sofia Kenin with a score of 7-6(4) 6-3, earning her spot in the third round.

Top seed Iga Swiatek showcased her dominance by defeating Japan's Ena Shibahara 6-0 6-1 in just over an hour. However, the day was not without its dramas as fourth seed Elena Rybakina withdrew from the competition due to injury, missing her match against French qualifier Jessika Ponchet.

Elsewhere, top-ranked Jannik Sinner received enthusiastic support from the Arthur Ashe Stadium crowd as he defeated American Alex Michelsen 6-4 6-0 6-2. In a surprising turn of events, Australian Jordan Thompson upset Polish seventh seed Hubert Hurkacz, winning 7-6(2) 6-1 7-5.

(With inputs from agencies.)