St. Petersburg: Martina Hingis and Sania Mirza continued their winning streak as Indo-Swiss duo beat Jelena Ostapenko and Evgeniya Rodina, 7-5, 7-5 in the first round of the St. Petersburg Ladies Trophy, here on Thursday. With this win, they are now unbeaten in 37 matches.

Hingis and Mirza haven't lost a match since last August at the Western & Southern Open, their now-37-match winning streak having taken them to titles at the US Open, BNP Paribas WTA Finals Singapore presented by SC Global, and the Australian Open - with only the French Open standing between them and a possible "Santina Slam."

This is the longest streak in women’s doubles since Jana Novotna and Helena Sukova won 44 straight matches in 1990.

'SanTina' will next face an all-Russian pair -- Daria Kasatkina and Elena Vesnina -- for a spot in the quarterfinals.