Originally Posted by Tafmatch
It's only a matter of time before Aza regains the #1 spot. She's getting closer to Serena's level all the time and Serena's hasn't been looking too good this year. Besides Serena, who can really challenge Azarenka? I think Aza is severely underrated.
Players who can challenge Azarenka are: Serena, Sharapova, Kvitova and Li Na. That is pretty much it for now.