Ailing seven-time grand slam winner Justine Henin was denied another Australian Open fairytale when she was knocked out in the third round by Svetlana Kuznetsova on Friday.
China's Peng Shuai shocked former world No 1 Jelena Jankovic to reach the third round on Thursday in the tournament's biggest upset so far.
Andy Roddick is feeling comfortable and at ease with his game as he bids to reach his first Australian Open final in nine attempts.
China's Li Na cruised into the Australian Open's third round on Wednesday to maintain hopes of a first Asian Grand Slam singles title, as Japan's Kei Nishikori also progressed.
World number one Caroline Wozniacki kept the wolves at bay by thrashing American Vania King 6-1 6-0 to reach the third round of the Australian Open on Wednesday.
Chinese tennis player Peng Shuai beat Ukraine's Kateryna Bondarenko 2-6, 6-3, 8-6 to progress into the Australian Open women's singles second round on Tuesday.
Favorite Clijsters sends out warning with 6-0, 6-0 thrashing of Safina while Zvonareva also shines
MELBOURNE - Top seed Rafael Nadal was handed an easy route to the Australian Open second round on Tuesday when Marcos Daniel retired hurt, putting him a step closer to a historic fourth successive Grand Slam win.
Justine Henin, who quit the tour in 2008 to find herself, nearly found herself out of the Australian Open on Monday after getting completely lost in her first-round match against India's Sania Mirza.
Roger Federer clowned around in exhibition matches to help victims of devastating floods on the eve of the Australian Open, but was in little mood for charity as he opened his title defence with a straight sets pounding of Lukas Lacko on Monday.
Li Na staged a remarkable comeback from 5-0 down in the first set to upset Australian Open favourite Kim Clijsters 7-6 6-3 in the final of the Sydney International on Friday.