Jannik Sinner has started his Australian Open title defense with a challenging win over No. 35-ranked Nicolas Jarry.

Coco Gauff of the U.S. plays a backhand return to Sofia Kenin of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2025. (AP Photo/Asanka Brendon Ratnayake) MELBOURNE,

Third-seeded Coco Gauff posted an eventful 6-3, 6-3 first-round win Monday over 2020 champion Sofia Kenin at the Australian Open in Melbourne. Gauff offset nine double faults with 12 aces and overcame 32 unforced errors by saving five of six break points in the 80-minute victory,