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Khachanov advances to US Open semi-finals as Blockx retires

Russian star Karen Khachanov secured a spot in the US Open semi-finals on Wednesday after opponent Alexander Blockx was forced to retire during their quarter-final match. The victory marks Khachanov's return to the tournament's final four for the first time since 2022.

LSN Singapore · 10 September 2026

Khachanov advances to US Open semi-finals as Blockx retires

Khachanov progressed to the semi-finals at Flushing Meadows without completing the match, as Blockx withdrew while trailing 6-2, 7-5, 3-2 in the third set. The retirement came after the Belgian player was unable to continue competing at the required level.

The Russian's advancement represents a significant milestone in his US Open campaign this year. Khachanov last reached the semi-finals stage at the tournament two years ago, and Wednesday's victory demonstrates his return to form at one of tennis's premier events.

With the walkover victory, Khachanov now awaits his semi-final opponent as he looks to continue his impressive run through the draw. The result underscores the physical demands of competing at the highest levels of professional tennis, where players must maintain peak condition throughout multiple consecutive matches.