Top seed Justine Henin makes a sluggish start to her match against Italy's Francesca Schiavone on Rod Laver Arena

Schiavone eventually drops the first set but battles back from an early deficit in the second

Henin is relieved to come through 7-5 6-4 and secure a place in the last 16

Nikolay Davydenko draws blood after a fall but still sees off Marc Gicquel 6-3 6-2 6-3

Nicole Vaidisova has a momentary outburst on her way to a 6-3 6-4 win over Ai Sugiyama

Serbian star Jelena Jankovic looks focused from the word go as she takes on Virginie Razzano of France

Serena Williams gives more evidence she is a good bet to defend her title with an easy win over Victoria Azarenka

Second seed Rafael Nadal makes a sluggish start to his third-round encounter with unseeded Frenchman Gilles Simon

Maria Sharapova shows that she she will be a real contender with a comprehensive 6-3 6-4 win over Elena Vesnina

Meanwhile, Nadal finds his form to see off Simon 7-5 6-2 6-3 and book a last-16 place

Pumped up and roared on by the partisan crowd, Australian Casey Dellacqua takes a set from Amelie Mauresmo

Former champion Amelie Mauresmo looks distraught as she crashes out to Casey Dellacqua in the third round

Coach Jimmy Connors, a former champion, shouts at protege Andy Roddick as he struggles against Philipp Kohlschreiber

Roddick tries to grin and bear it as he loses a bad-tempered match in his worst Australian Open showing for six years

Kohlschreiber (right) described his win as the "best thing that has happened to me in tennis".