Tennis: Osaka loses 7-5, 6-3 to world No. 1 Sabalenka at French Open

PARIS - Japan's Naomi Osaka exited from the fourth round of the French Open with a 7-5, 6-3 loss to world No. 1 Aryna Sabalenka on Monday.

The 16th-seeded Osaka started strongly, taking a 2-0 lead in the opening set at Roland Garros before the top seed from Belarus clicked into gear.