U.S. Open finalist Ben Shelton is out of the ATP 1000 Shanghai Masters, beaten 7-6 (5), 7-6 (3) by 21-year-old Frenchman Arthur Gea in the third round Sunday.

Shelton, who won his first match in Shanghai on his 24th birthday, faced three match points at 6-3 in the second-set tiebreaker and Gea converted on his first.

In another early third-round match Sunday, 26th-seeded Karen Khachanov beat Adrian Mannarino 6-2, 6-4.