Sania Mirza and Martina Hingis on 1 November 2015 won Singapore BNP Paribas WTA Finals women’s doubles title.
The top-seeded Indo-Swiss pair defeated eighth seed Spanish team of Garbine Muguruza and Carla Suarez Navarro 6-0, 6-3.
Extending their incredible unbeaten record, Mirza and Hingis lifted their ninth trophy of the season. The other eight titles are Indian Wells, Miami, Charleston, Wimbledon, US Open, Guangzhou, Wuhan and China Open.
Earlier in 2014, Sania won this tournament with Zimbabwean Cara Black.
Agnieszka Radwanska claimed her maiden WTA Finals title with a 6-2, 4-6, 6-3 victory over Czech Petra Kvitova at the Singapore Indoor Stadium.