In Australia Open tennis, Stanislas Wawrinka has entered the Men's singles semifinals by defeating Jo-Wilfried Tsonga in straight sets. The world number four Swiss player beat Frenchman 7-6, 6-4, 6-3. The 2008 finalist Tsonga gave a tough challenge to Wawrinka but fell short by a small margin in each set. With this win, Wawrinka became the first player to enter the Men's singles semifinals of the tournament this year.