United States

After ending her losing streak in finals, is Serena Williams on course to win the Australian Open?

Melbourne, Australia (CNN)After spending part of the off-season training with Mike Tyson, Serena Williams is hoping to deliver a knockout punch at the Australian Open. For Williams that would mean winning a record-tying 24th grand slam title, which has so far proved elusive despite getting close four times since returning to the tour after giving birth to daughter Alexis Olympia. Her preparation for the year's first major couldn't have gone much better, suggesting the mini grand slam drought for arguably tennis' greatest ever player is about to cease. Williams let rip into a punching bag in December -- drawing a compliment from former heavyweight boxing champion Tyson, whose daughter happens to be a budding tennis star -- and then won a bui ...