James Blake of the United States competes against Roger Federer of Switzerland during the men's singles quarterfinal of the Beijing 2008 Olympic Games tennis event at the Beijing Olympic Green Tennis Court in Beijing, China, Aug. 14, 2008. Blake won the match 2-0. (Xinhua/Wang Yuguo) Photo Gallery>>>

Roger Federer of Switzerland prepares to serve to James Blake of the United States during the men's singles quarterfinal of the Beijing 2008 Olympic Games tennis event at the Beijing Olympic Green Tennis Court in Beijing, China, Aug. 14, 2008. Blake won the match 2-0. (Xinhua/Wang Yuguo) Photo Gallery>>>