Serena Williams is officially the WTA year-end No.1 for a 4th time, Serena previously won in 2002, 2009 and 2013.
“It’s pretty awesome, I never, never thought I would be playing this long. Or if I were playing this long, I figured I’d be playing doubles. Definitely not being No.1 in the world in singles” Serena Williams
Serena credits her success to her personality … “My personality is I’m a fighter, as you can see, and I never give up. I work very, very hard for everything. Whether it’s my serve or return, I work hard for everything. And it’s good to see some of the results from that”…