Hugo Gaston ranked at 239 in the world, defeated 2015 champion Stan Wawrinka

French wildcard Hugo Gaston ranked at 239 in the world, defeated 2015 champion Stan Wawrinka in five sets to reach the Roland Garros Last 16 on Friday. Gaston to face Thiem The left-hander, 20, the only home player still standing out of 18 who started in the men's draw, will face third seed and US Open champion Dominic Thiem for...