Korda withdraws with injured wrist; Khachanov into first Australian Open semifinal Russia’s Karen Khachanov was rewarded with a walkover after Sebastian Korda retired early with a wrist injury, beating him 7-6, 6-3, 3-0 to advance to the semi-final. | January 24, 2023, 1:20 AM 0 January 24, 2023, 1:20 AM 0