By defeating her sister Venus 6-4, 6-4 in the Australian Open final Saturday, Serena Williams won her 23rd Grand Slam title, breaking the Open era record she held with Steffi Graf.
Top seed Novak Djokovic outlasted a gritty Gilles Simon in five sets Sunday to set up an Australian Open quarterfinal against No. 7 Kei Nishikori, who topped Jo-Wilfried Tsonga in straight sets.
In what was tabbed as a blockbuster potential matchup when the draw was released, Serena Williams will meet Maria Sharapova in the quarters after both won in straight sets Sunday.
Nigel Sears, Ana Ivanovic's coach and Andy Murray's father-in-law, is conscious after he collapsed during Ivanovic's third-round match Saturday at the Australian Open.
Rafael Nadal succumbed to countryman Fernando Verdasco 7-6 (6), 4-6, 3-6, 7-6 (4), 6-2 on Tuesday in the opening round of the Australian Open.
Maria Sharapova overcomes a lack of playing time to easily win her first-round match at the Australian Open.
