Novak Djokovic advanced to the third round of the Olympics on Tuesday by beating Andy Roddick 6-2, 6-1 at Wimbledon. The second-ranked Serb had 34 winners on Centre Court at the All England Club. Roddick had 12. Djokovic, a bronze medalist in the singles in 2008, raised his arms and smiled after the match. Roddick, a three-time Wimbledon finalist, quickly left the court with his head bowed. (For more sports news and updates, follow Ahram Online Sports on Twitter at @AO Sportsand on Facebook at AhramOnlineSports)