The Spaniard became the youngest player ever to be ranked No. 1. The old mark was held by Australia's Lleyton Hewitt, who rose to the top at age 20 in 2001 during his Hall of Fame career.
She notched her 12th straight win over American Alison Riske-Amritraj 6-4 6-1 on Sunday, after becoming the first qualifier to win a WTA Tour 1000 event in Cincinnati, the final of three titles she's collected so far this year.
The twice U.S. Open doubles champions will play Czech duo Lucie Hradecka and Linda Noskova. They lost in the quarter-final of their last U.S. Open doubles draw in 2014 but have a pristine 14-0 record in Grand Slam doubles finals.
LONDON — Novak Djokovic rallied from a set down and prevailed in a fourth-set tiebreaker to beat Australian Nick Kyrgios 4-6, 6-3, 6-4, 7-6 (3) on Sunday at Wimbledon, his 21st Grand Slam title.
