PARIS—American Amanda Anisimova advanced to the fourth round of the French Open on Friday, after her Czech opponent Karolina Muchova was forced to retire with an ankle injury sustained while leading by a set.
The 25-year-old Muchova, who reached the Australian Open semifinals in 2021, has been plagued by injuries over the last 12 months.
Having ousted Greek fourth seed Maria Sakkari in her previous match, Muchova took a medical timeout to get her left thigh taped after overturning a 5–1 deficit in the tiebreaker to win the first set.
But there was more pain in store for her when she rolled her right ankle and fell while trying to hit a return at 2–2 in the second….