Canada’s Leylah Fernandez upsets defending champ Naomi Osaka in 3rd round of U.S. Open

Canadian teenager Leylah Fernandez has the … court.” WATCH | Laval, Que., native Fernandez stuns Osaka in 3rd …Canadian teenager Leylah Fernandez has the … court.” WATCH | Laval, Que., native Fernandez stuns Osaka in 3rd …