(L) Spain's Rafael Nadal returns the ball during his match against Japan's Kei Nishikori on the second day of the Wimbledon championships in Wimbledon on Tuesday June 22 2010. (R) Japan's Kei Nishikori returns the ball in his match against Spain's Rafael Nadal on the second day of the Wimbledon championships in Wimbledon on Tuesday June 22 2010. UPI/Hugo Philpott