MELBOURNE, Australia - The age gap only two years, the difference in experience is vast between Maria Sharapova and Victoria Azarenka.

Serena Williams struggled in a fourth-round loss to Russia's Ekaterina Makarova at the Australian Open.

MELBOURNE, Australia - Just before she walked on court, Greta Arn said she was looking forward to the "privilege" of playing her first match against Serena Williams. Some privilege.

Kim Clijsters and Li Na won their matches in contrasting styles on Friday to set up a repeat of last year's Australian Open final in the fourth round.

MELBOURNE, Australia - Donald Young wouldn't call it a setback, but his glum face and petulant reaction to his Australian Open exit told a different story.