World number three Jelena Jankovic had to overcome injury, a dogged opponent and even an errant driver to reach the second round of the Australian Open after an extraordinary first-round escape at Melbourne Park.

Maria Sharapova cruised through to the second round of the Australian Open with a 6-4 6-3 win over Jelena Kostanic Tosic on Monday.

Top seed Maria Sharapova has battled through to the semi-finals of the Australian Open and a match-up with Kim Clijsters after overcoming Russian Anna Chakvetadze at Melbourne Park.