Paes and Hingis celebrate their mixed doubles quarter-final win in Melbourne yesterday. Pic/AP

Melbourne: Veteran Indian tennis star Leander Paes and Martina Hingis sailed into the quarter-finals of the mixed doubles event at the Australian Open with straight sets win over Australian duo of Matt Reid and Casey Dellacqua yesterday. The Indo-Swiss pair took just 54 minutes to get the better of Reid and Dellacqua 6-2, 6-3 in the second round encounter.