Canadian teen Fernandez stuns former U.S. Open champion Kerber

NEW YORK, Sept. 6 (Xinhua) -- Canadian teenager Leylah Annie Fernandez continued her hot streak at the U.S. Open and upset former champion Angelique Kerber of Germany 4-6, 7-6, 6-2 in the women's singles fourth round here on Sunday.

The world No. 73 unexpectedly knocked out the Grand Slam's third seed Naomi Osaka of Japan 5-7, 7-6 (2), 6-4 on Friday to make the fourth round faceoff with Kerber.

"I just tr