ARTICLE AD BOX
Naomi Osaka praises Serena Williams ahead of her final tournament before retirement, describing her as "the biggest thing that will ever be in the sport."
READ MORE: Williams sisters to play US Open doubles together
Naomi Osaka praises Serena Williams ahead of her final tournament before retirement, describing her as "the biggest thing that will ever be in the sport."
READ MORE: Williams sisters to play US Open doubles together