WednesdayAt Stade Roland GarrosParisPurse: $30.86 million (Grand Slam)Surface: Clay-OutdoorSinglesMenFirst RoundGilles Muller, Luxembourg, def. Paolo Lorenzi, Italy, 4-6, 4-6, 7-6 (1), 7-6 (5), 6-4. Second RoundGilles Simon (12), France, def. Martin Klizan, Slovakia, 7-5, 6-2, 6-3. Stan Wawrinka (8), Switzerland, def. Dusan Lajovic, Serbia, 6-3, 6-4, 5-7, 6-3. Benjamin Becker, Germany, def. Fernando Verdasco (32), Spain, 6-4, 0-6, 1-6, 7-5, 10-8. Steve Johnson, United States, def.