Mladenovic Takes Out Former Champion Kerber in Opening Round Action
France’s Kristina Mladenovic knocked out 14th seed and former champion Angelique Kerber at the US Open on Monday, downing the German 7-5, 0-6, 6-4 to secure her spot in the second round. Mladenovic, who reached the quarterfinals here back in 2015, fired 48 winners and got the decisive break for a 5-4 lead in the…

