Women to watch at the U.S. Open, which begins Monday:
SERENA WILLIAMS
Seeded: 1
Age: 33
Country: United States
2015 Match Record: 48-2
2015 Singles Titles: 5
Career Singles Titles: 69
Major Titles: 21 — U.S. Open ('99, '02, '08, '12, '13, '14), Wimbledon ('02, '03, '09, '10, '12, '15), Australian Open ('03, '05, '07, '09, '10, '15), French Open ('02, '13, '15)
Last 5 U.S. Opens: '14-Won Championship '13-W, '12-W, '11-Lost in Final, '10-Did Not Play
Topspin: Bidding for tennis' first true Grand Slam — titles at the Australian Open, French Open, Wimbledon and U.