In an exclusive interview at the end of the WTA Championships, Serena Williams told Mats Wilander that she aims to get even better in 2013.
Williams, who romped to the title in Istanbul without dropping a set, said that 'Slams and big events' are her primary target when asked if it bothers her that she is not world number one.
She also reveals her highlight of 2012 and talks about her love of the sport and an upcoming trip to Africa with sister Serena.
Watch the full interview in the video below.
Also from behind the scenes at Istanbul
Sam Stosur shows us what it is like being an alternate for a big tournament.
We check in with Novak Djokovic's latest charity work in Asia which includes cute footage of him playing aged nine.
The Watts team reveal some of the lighter moments from the tournament.
In a video filmed before the WTA Championships final, Mats dissects the Maria Sharapova serve.
'He's sexy and he knows it' — RedFoo of LMFAO talks to Mats about his love of tennis.