Marin Cilic of Croatia casts a shadow as he serves against Kei Nishikori of Japan during the U.S. Open...
Marin Cilic of Croatia casts a shadow as he serves against Kei Nishikori of Japan during the U.S. Open tennis tournament in New York, September 2, 2010. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)