Naomi Osaka has arguably one of the toughest draws compared to other top seeds at the Australian Open. Even so, she has rolled through Week 1 without dropping more than three games in a set.
Leading, 6-3, 3-2, in her third-round bout against Ons Jabeur, the No. 3 seed would encounter an unexpected obstacle. Just before beginning her service motion, a fan yelled "There's a butterfly on your leg!"