And you thought it was tense ON court! The faces of Roger Federer’s wife Mirka and Rafael Nadal’s girlfriend Xisca Perello say it all as they watch their partners battle it out at the Australian Open But for the first time ever Roger Federer’s wife Mirka and Rafael Nadal’s girlfriend Xisca Perello have faced off in the stands at the Australian Open men’s final. The two glamorous WAGs have been courtside regularly over the past fortnight, but their faces told of the importance of Sunday night’s highly-anticipated final – with both women appearing far more nervous as they sat in the stands.