Melbourne: Sania Mirza and Rohana Bopanna advanced to the mixed doubles second round with respective partners at the Australian Open here on Saturday.
Bopanna and his Canadian partner Gabriela Dabrowski had to dig deep to beat Michael Venus and Katarina Srebotnik 6-4, 6-7, 10-7 in a super tie-breaker.
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A little later, second seeded pairing of Sania and Croatia's Ivan Dodig got the better of reigning US Open champions, Laura Siegemund and Mate Pavic, in another first round match. They won 7-5, 6-4.
The Indian challenge in the men's doubles has already ended with the exit of Bopanna and Leander Paes. Sania and Czech partner Barbora Strycova remain in contention in the women's doubles.
The fourth seeds eased past the Australian-Chinese pair of Samantha Stosur and Shuai Zhang in a second round match on Friday.
In other matches of Indian interest on Saturday, Siddhant Bhatia lost his first round boys' singles match to Australia's Alexander Crnokrak 6-2, 6-7, 5-7.
Zeel Desai overcame a stiff challenge from local hope Kaitlin Staines 6-4, 3-6, 7-5 in the girls' singles.