Tag: Karen Khachanov
The world No.2 sets up a 39th career meeting with 5-time Indian Wells champion Roger Federer in the semis.
Khachanov went down in just 69 minutes to 19th-ranked Georgian Basilashvili, winner of two titles last season.
Khachanov is now the third different first-time winner of a Masters tournament this season.
Karen Khachanov beat Dominic Thiem 6-4 6-1 to reach the Paris Masters final, the first time he has done so in a Masters 1000 tournament.
The 27th seed kept up the pressure throughout a four hour, 23-minute thriller that was the Spaniard's longest ever match at Flushing Meadows.
Rafael Nadal continued his US Open title defence by beating Vasek Pospisil, and will play against Karen Khachanov in the third round.