Tennis Podcast: Australian Open Semi-Finals Preview
Sloane Stephens produced a performance of a lifetime, beating Serena Williams in three sets to reach her first Grand Slam semi-final.
But how will she fare against Victoria Azarenka? Sky Sports commentator Nick Lester joins Dave Kelner to preview the semi-finals on both the men's side and the women's as the Australian Open nears its conclusion.
Andy Murray has been imperious in the tournament so far, but his first real test will come against Roger Federer on Friday morning. That's a match up to set the heart racing.
Listen to Nick's thoughts now as he gives his best bets in all four matches.