Alert: Teenager Leylah Fernandez stuns Kerber to reach US Open quarter-finals
The Canadian followed up her win over Naomi Osaka by coming from a set and 4-2 down to beat former champion Angelique Kerber 4-6, 7-6 (5), 6-2
The Canadian followed up her win over Naomi Osaka by coming from a set and 4-2 down to beat former champion Angelique Kerber 4-6, 7-6 (5), 6-2