
Rafael Nadal admits he does not know whether he will be fit to face Nick Kyrgios in Friday's Wimbledon semi-finals after an abdominal injury nearly forced him to quit against Taylor Fritz.
The second seed had to take a medical time-out in the second set but battled through to win 3-6, 7-5, 3-6, 7-5, 7-6 (10/4) in a grueling contest lasting four hours and 21 minutes, AFP said.