Khachanov to semis after Korda retires with injury
MELBOURNE — Karen Khachanov reached the semifinals of the Australian Open for the first time on Tuesday after American Sebastian Korda retired with an apparent wrist injury while trailing 7-6(5) 6-3 3-0. The 18th-seeded Khachanov raced out to a 4-1 lead before Korda forced a tiebreak, but the Russian hit back to win the first set with a backhand scorcher. […]
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