2021 Australian Open semi-finalist Muchova withdraws from 2022 event

World number 32 Karolina Muchova on Tuesday said in a statement she has withdrawn from next month's Australian Open. The 25-year-old Czech, who was a semi-finalist at the 2021 Australian Open, hasn't played since the US Open in September due to an injury. Muchova joins Serena Williams, Bianca Andreescu, Jennifer Brady and Karolina Pliskova in opting out of the tournament.