Juan Martin del Potro has beaten Nicolas Almagro at the Western and Southern Open . Wimbledon semifinalist Wimbledon defeated Roger Federer Cilic . There were also wins for Juan Martin del Potro and Viktor Troicki .
Roger Federer has beaten Juan Martin del Potro at the Western and Southern Open . Wimbledon semifinalist Jo-Wilfried Tsonga defeated Croat Marin Cilic . There were also wins for Nicolas Almagro and Viktor Troicki .