MONTREAL, QC - AUGUST 06: Look on Bradley Klahn (USA) during the ATP Coupe Rogers first round match on August 6, 2019 at IGA Stadium in Montréal, QC (Photo by David Kirouac/Icon Sportswire via Getty Images)
MONTREAL, QC - AUGUST 06: Look on Bradley Klahn (USA) during the ATP Coupe Rogers first round match on August 6, 2019 at IGA Stadium in Montréal, QC (Photo by David Kirouac/Icon Sportswire via Getty Images)