Japanese Emperor Akihito, top left, and Empress Michiko watch a game of Japan against Czech Republic during quarterfinal of Davis Cup World Group tennis at Ariake Colosseum in Tokyo, Saturday, April 5, 2014. (AP Photo/Koji Sasahara)

Japan Davis Cup Tennis Czech Republic

Japanese Emperor Akihito, top left, and Empress Michiko watch a game of Japan against Czech Republic during quarterfinal of Davis Cup World Group tennis at Ariake Colosseum in Tokyo, Saturday, April 5, 2014. (AP Photo/Koji Sasahara)

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