The talented Czech fought valiantly but was no match for the 10-time Melbourne Park champion. Although Macháč won't progress at this year's Australian Open, he's earned himself a significant payday.
World number 25 Tomáš Macháč has quit mid-match amid an emotional on-court meltdown to hand the US free passage into Sunday's United Cup final against Poland. Photo shows Aryna Sabalenka plays ...