Australian Open: Day 2

Australian Open: Day 2

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No. 3 Andy Murray beat Robin Haase 6-3, 6-1, 6-3 and will get Joao Sousa in the second round.

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A few Murray fans watch his debut in Melbourne with delight.

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In Andy Murray's box, coach Ivan Lendl (left), girlfriend Kim Sears (front right) and mother Judy Murray (right) look on.

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Former No. 1 Caroline Wozniacki won the last six games to beat Sabine Lisicki 2-6, 6-3, 6-3. Her draw opened up with No. 7 Sara Errani's loss.

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Serena Williams rolled her right ankle and collapsed to the court in her first-round match.

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Williams took a seven-minute injury timeout yet still won 6-0, 6-0 over Edina Gallovits-Hall in less than an hour.

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Williams' ankle was heavily taped before the match, which may have saved her from major injury.

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No. 1 Victoria Azarenka beat Monica Niculescu 6-1, 6-4 and could get Wozniacki in the fourth round.

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LMFAO's Redfoo watches Azarenka's match.

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Australian fans haven't had much to cheer about with their home-nation players.

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Kimiko Date-Krumm, 42, won her first Australian Open match in 17 years, ousting No. 12 Nadia Petrova 6-2, 6-0. She's the oldest match winner in tournament history.

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No. 8 Petra Kvitova beat Francesca Schiavone 6-4, 2-6, 6-2 and gets Laura Robson next.

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A slimmer No. 8 Jo-Wilfried Tsonga beat Michael Llodra 6-4, 7-5, 6-2. He gets Go Soeda in round 2.

No. 2 Roger Federer made quick work of Benoit Paire, 6-2, 6-4, 6-1. He may get brash Aussie Bernard Tomic in round 3.

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No. 6 Juan Martin del Potro beat Adrian Mannarino 6-1, 6-2, 6-2 and gets Benjamin Becker next.

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No. 29 Sloane Stephens was a 6-1, 6-1 winner over Simona Halep. Kristina Mladenovic awaits in the second round.