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Feliciano Lopez of Spain reacts after losing a point to Novak Djokovic of Serbia during their third round men's singles match of the Shanghai Masters tennis tournament at Qizhong Forest Sports City Tennis Center in Shanghai, China, Thursday Oct. 11, 2012. Novak Djokovic won 6-3, 6-3. (AP Photo/Kin Cheung)

Associated Press
Feliciano Lopez of Spain reacts after losing a point to Novak Djokovic of Serbia during their third round men's singles match of the Shanghai Masters tennis tournament at Qizhong Forest Sports City Tennis Center in Shanghai, China, Thursday Oct. 11, 2012. Novak Djokovic won 6-3, 6-3.  (AP Photo/Kin Cheung)
Feliciano Lopez of Spain reacts after losing a point to Novak Djokovic of Serbia during their third round men's singles match of the Shanghai Masters tennis tournament at Qizhong Forest Sports City Tennis Center in Shanghai, China, Thursday Oct. 11, 2012. Novak Djokovic won 6-3, 6-3. (AP Photo/Kin Cheung)
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