Japanese teenager Naomi Osaka shocked defending champion Angelique Kerber with a stunning 6-3, 6-1 victory Tuesday at the U.S. Open to advance to the second round of the women's singles for the second straight year.In their first-ever meeting, the 19-year-old Osaka, currently ranked 45th in the world, chased the lines with powerful groundstrokes to surprise the sixth seed and world No. 6 German by taking control of the 1-hour, 5-minute match at Flushing Meadows.(Getty)Osaka broke in the fifth game of the second set and opened the lead to 4-1, when she said she had a flashback to last year's…READ FULL ARTICLE