I'd like a phonecard, please http://updatecontent.com/service/ stendra cost Earlier, Djokovic, the top seed, defeated Tomas Berdych of the Czech Republic, 7-6 (5), 6-4, 6-3. In one semifinal on Friday, Murray will meet Jerzy Janowicz of Poland, a 7-5, 6-4, 6-4 winner over his countryman Lukasz Kubot. Djokovic will need to beat a tougher opponent, Juan Martin del Potro, who beat him on Centre Court for the bronze medal last year.