Defending champ Wozniacki through to 3rd round

Defending champion Caroline Wozniacki has advanced to the third round of the only Grand Slam tournament she's won, beating Johanna Larsson 6-1, 6-3 at Melbourne Park.

Wozniacki beat Simona Halep in the final last year at Melbourne Park for her first major singles title.

The Danish player will play five-time Grand Slam champion Maria Sharapova in the next round.