Japan's Emperor Akihito and Empress Michiko attend the Davis Cup quarter-final men's doubles tennis match...
Japan's Emperor Akihito (2nd R) and Empress Michiko (R) attend the Davis Cup quarter-final men's doubles tennis match between Japan's Tatsuma Ito and Yasutaka Uchiyama, and Czech Republic's Radek Stepanek and Lukas Rosol in Tokyo April 5, 2014. REUTERS/Yuya Shino (JAPAN - Tags: ROYALS SPORT TENNIS)