Darts player Adam Gawlas knocked out former world champion Rob Cross in the quarter-finals of the prestigious UK Open and advanced to the semi-finals to ensure a historic success at one of the majors of the professional PDC organization. The twenty-one-year-old Czech player defeated the world number six 10:8 on legs. The name of the next opponent will be known after the completion of the quarter-final program. The semi-finals and final will take place in Minehead later this evening.