Serena Williams Ends Year as Number One.

America’s Serena William will end the year as the number one female player in the world after winning two Grand Slams all season.

It will be the third time that the 32-year-old has topped the rankings at the end of a calendar year.

He promising campaign this year saw her win nine titles, including the French and US Open losing only four matches all through.

“Serena has proven time and time again throughout her career that she is an incredible champion , both on and off the court,” said Women’s Tennis Association (WTA) chairman and chief executive Stacey Allaster.

“This season she continues to rewrite the record books, proving she is one of the sport’s greatest athletes of all time.”

WTA"s World Number One: Serena Williams.
WTA”s World Number One: Serena Williams.

At the age of 31, Williams became the oldest top seed ever, replacing Victoria Azarenka in February.

The 17-time Grand Slam winner will be presented with her trophy during the season-ending WTA Championship in Istanbul next month.