October: Heather Watson becomes the first British woman to win a WTA singles title since Sara Gomer in 1988. It comes courtesy of a tight 7-5 5-7 7-6 victory over Chang Kai-chen. Djokovic continues his good year by winning the China Open and Shanghai Masters. The latter proves another stunning encounter with Murray in the final, which goes in the Serbian's favour 5-7 7-6 (13-11) 6-3. Serena Williams is crowned champion at the WTA Tour Championships in Istanbul, beating Sharapova in straight sets.