NEW YORK :Defending champion Jannik Sinner overcame stiff resistance to power into the U.S. Open fourth round with a 5-7 6-4 6-3 6-3 win over 27th seed Denis Shapovalov on Saturday that extended his unbeaten run at hardcourt Grand Slams to 24 matches. The 24-year-old Italian has not lost on his dominant surface at the majors since 2023, capturing two Australian Open titles as well as last year's trophy at Flushing Meadows. "Very tough match today. I know Denis a long time. The last time that we

Tag-uri: Australian Open