MELBOURNE, Australia — When Madison Keys finally finished off her 5-7, 6-1, 7-6 (10-8) upset of No. 2 Iga Swiatek in a high-intensity, high-quality Australian Open semifinal on Thursday night, the ...

Iga Swiatek's bizarre mid-match act against Madison Keys has been explained and deemed to be within the rules during the Australian Open semi-final, while Aryna Sabalenka was praised after her classy ...