At 19, Sloane Stephens is the last teenager standing in Melbourne. In the quarters, she'll meet Serena Williams, who at 19 was a Grand Slam champion and is in no mood to be a mentor just yet, writes Kamakshi Tandon.
With Week 1 of the Australian Open in the books, Serena Williams still looks like the player to beat. But don't rule out Victoria Azarenka or Maria Sharapova, eitiher. Or how about a first-time Grand Slam winner?