Wilander calls for fifth-set tiebreaks after six-hour semi-final
Former men's champion Mats Wilander believes third seed Muguruza now looks like the most likely champion, having not dropped a set and thrashing Maria Sharapova on Wednesday.
Nothing that has happened in the past 12 months suggests Roger Federer's hunger is diminished with victory at this year's Australian Open taking his Grand Slam title haul to 20.