Melbourne: India enjoyed an all-win day at the Australian Open tennis Grand Slam after Leander Paes and Sania Mirza sailed into the second round of their respective men's and women's doubles events here today.

Sania and her Chinese Taipei partner Su-Wei Hsieh, who are seeded second, defeated the Argentine-Swiss combine of Maria Irigoyen and Romina Oprandi 6-2 6-0 in just 48 minutes to advance.