Struggling Djokovic advances to Australian Open semis after Musetti injury
MELBOURNE, Jan. 28 (Xinhua) -- World number four Novak Djokovic advanced to the Australian Open semifinals on Wednesday after fifth seed Lorenzo Musetti retired with a right groin injury despite leading by two sets.
Musetti was on course for the biggest win of his career after taking the opening sets 6-4, 6-3 against a below-par Djokovic. However, he suffered the injury early in the third set, struggled with his