US Open Day 4: Swiatek Dominates, Rybakina Withdraws, Sinner Triumphs

On the fourth day of the US Open, Iga Swiatek easily advanced to the third round, while Elena Rybakina withdrew due to an injury. Jannik Sinner also progressed after defeating Alex Michelsen. Other significant matches saw Paolini advance over Pliskova and Thompson upset Hurkacz.

Iga Swiatek, the top seed, delivered a dominant performance, securing a swift 6-0 6-1 victory over Japan's Ena Shibahara. Meanwhile, fourth-seeded Elena Rybakina exited the tournament citing an undisclosed injury.

Italian Jannik Sinner drew significant support at the Arthur Ashe Stadium, overcoming American Alex Michelsen with a confident 6-4 6-0 6-2 win to reach the third round.

Other notable matches included Karolina Pliskova's early retirement against Jasmine Paolini and an unexpected victory for Australian Jordan Thompson over Poland's Hubert Hurkacz.

(With inputs from agencies.)