 On 1 February , Paes captured his seventh Grand Slam mixed doubles crown at the 2015 Australian Open with Martina Hingis . It was his 15th major crown overall and his third mixed doubles triumph at Melbourne Park . The pair beat defending champions Daniel Nestor and Kristina <unk> in the final . As No. 7 seed with Klaasen in men 's doubles , Paes lost to eventual champions Bolelli / Fognini in the second round . 
