Every week there's a lot happening on the WTA - on the court, off the court, by the numbers, even a few tweets... catch up on it all in this week's WTA Diary.
71 And Counting
Serena Williams has certainly been racking up the air miles this season, playing more tournaments and winning more matches than in any other year of her career. On Friday, she notched up win number 71, defeating Caroline Wozniacki in the China Open quarterfinals. She is just the fifth player since 1995 - the year she turned pro - to make it past the 70-win mark.
Packing A Punch
Agnieszka Radwanska is more known for her precision than power. However, she proved that she can still pack a punch during her second round victory over Madison Keys in Beijing, rifling this forehand passing shot that was clocked at 99 mph.
Keys To Success
Despite falling to Aga in straight sets, Keys has certainly made an impression.
Done And Dusted
While the race for the final few singles spots for the TEB BNP Paribas WTA Championships - Istanbul looks set to go down to the wire, the doubles line-up was signed and sealed this week in Beijing.
Prize Money Goes Up Down Under
Following on from increases at Wimbledon and the US Open, the Australian Open announced a record-breaking $3 million prize money rise this week.
The latest stop-off on the WTA's trip down memory lane looks back at Martina Hingis' breakthrough in 1997.
Battle Of The Sexes II
Forty years on from Billie Jean King's infamous clash with Bobby Riggs, Li Na and Novak Djokovic engaged in a slightly more amicable Battle of the Sexes to celebrate the 10th anniversary of the China Open.
Stat Of The Week
No player has won more three set matches over the past decade than Petra Kvitova, who has gone the distance 35 times this season, including her past five encounters.
After her latest win, she took to Twitter to reveal the recipe behind her success.