Swiss eighth seed Stanlislas Wawrinka has entered the Men's Singles final of the French Open Tennis Championships. In the first semi-final in Paris today, Wawrinka defeated French 14th seed Jo Wilfried Tsonga in four sets 6-3, 6-7, 7-6, 6-4. The second men's singles semi-final between top seeded Novak Djokovic of Serbia and British third seed Andy Murray is being played today. The final is slated for Sunday.