Vinci undone by foot fault as Kerber moves on at U.S. Open

Roberta Vinci fell apart after losing the opening set on a foot fault, allowing No. 2 seed Angelique Kerber to take the last nine games and win their U.S. Open quarter-final 7-5, 6-0 on Tuesday.

source CBC | Sports News http://ift.tt/2bRCjZz