Iga Swiatek took three hours in the afternoon heat to beat 36-year-old Kaia Kanepi 4-6, 7-6 (2), 6-3 on Wednesday, with the payoff being a spot in the Australian Open semifinals against Danielle Collins.
Danielle Collins became the second American woman to reach the Australian Open semifinals, while former French Open champion Iga Swiatek won in three sets to reach the last four at Melbourne Park for the first time.