Hantuchová and Sugiyama won another doubles tournament in March 2006, this time in Doha in Qatar. Hantuchová finally split up with her coach, Sears, for good in April 2006. She went on to win her eigthth WTA doubles tournament in May 2006 in Rome in Italy, again with Ai Sugiyama. Hantuchová won her second singles match WTA Tour title in March 2007, beating Svetlana Kuznetsova at Indian Wells again. She then won her third singles Tour title in October 2007, beating Swiss player Patty Schnyder in Linz in Austria. Hantuchová lost in the semi-final of the 2008 Australian Open to Serbian player Ana Ivanović. She also lost in the second round at Wimbledon in June 2008. Since the semi-final appearance, Hantuchová has failed to make it beyond the fourth round in any of the Grand Slam tournaments. 