roger federer knocked out of the australian open
There's been a big shock in the third round of the Australian Open. Men's second seed, and four-time winner Roger Federer has been beaten in four sets by Italy's Andreas Seppi. The men's sixth and seventh seeds are through to the fourth round - Andy Murray and Tomas Berdych were straight sets winners over Joao Sousa and Viktor Troicki. Women's third seed Simona Halep is through to round 4 after she beat Betanie Mattek-Sands in straight sets. Seventh seed Eugenie Bouchard also reached round four with ease, beating Caroline Gacia 7-5, 6-love.
