Caroline Wozniacki's season begins this week and we travel back to 2007 when the Dane was a 16-year-old with dreams of a Grand Slam. Will 2016 be the year Wozniacki realises them? – WTA: Four of top-six players battling to be fit in time for Aus Open – VIDEO: Rafael Nadal reflects on 2016 Mubadala victory – VIDEO: Sport360 comp winner enjoys Wawrinka clinic