MONTREAL, QC - AUGUST 10: Karen Khachanov (RUS) returns the ball with a forehand shot during the ATP Coupe Rogers semifinal match on August 10, 2019 at IGA Stadium in Montréal, QC (Photo by David Kirouac/Icon Sportswire via Getty Images)
MONTREAL, QC - AUGUST 10: Karen Khachanov (RUS) returns the ball with a forehand shot during the ATP Coupe Rogers semifinal match on August 10, 2019 at IGA Stadium in Montréal, QC (Photo by David Kirouac/Icon Sportswire via Getty Images)