<p>Hingis, 31, is understood to be partnering Federer in mixed doubles here and also participate in the first staging of a veterans' event for women.<br /><br />Hingis, winner of five majors including the 1997 and 1999 Melbourne Park titles, has not contested a major tournament since the 2007 US Open.<br /><br />If Hingis were to partner Federer in mixed doubles in Melbourne their Olympic stock would be enhanced, Herald Sun reported.<br /><br />Apart from Hingis, the winners of the past four women singles majors - Kim Clijsters, Li Na, Petra Kvitova and Sam Stosur - as well as Serena and Venus Williams are expected to fill in their entries.<br /><br />The Australian Open men's title will be celebrating its 100th edition, but officials chose remained tightlipped about the presence of a "special guest".<br /></p>
<p>Hingis, 31, is understood to be partnering Federer in mixed doubles here and also participate in the first staging of a veterans' event for women.<br /><br />Hingis, winner of five majors including the 1997 and 1999 Melbourne Park titles, has not contested a major tournament since the 2007 US Open.<br /><br />If Hingis were to partner Federer in mixed doubles in Melbourne their Olympic stock would be enhanced, Herald Sun reported.<br /><br />Apart from Hingis, the winners of the past four women singles majors - Kim Clijsters, Li Na, Petra Kvitova and Sam Stosur - as well as Serena and Venus Williams are expected to fill in their entries.<br /><br />The Australian Open men's title will be celebrating its 100th edition, but officials chose remained tightlipped about the presence of a "special guest".<br /></p>