Naomi Osaka upsets No. 1 Aryna Sabalenka in Wimbledon's fourth round

Naomi Osaka defeated world No. 1 Aryna Sabalenka in the fourth round of Wimbledon on Sunday, July 5, 2026, winning in straight sets. Osaka dominated the first set 6-2, while the second set went to a tiebreaker. Sabalenka had entered the tournament as the top overall seed in the women's singles draw.