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DOHA, QATAR - JANUARY 3: The Emir of Qatar, Sheikh Hamad bin Khalifa Al Thani attends the semi-finals of the Qatar ExxonMobil Open 2014 held at the Khalifa International Tennis Complex on January 3, 2014 in Doha, Qatar. (Photo by John Berry/Getty Images)

DOHA, QATAR - JANUARY 3: The Emir of Qatar, Sheikh Hamad bin Khalifa Al Thani attends the semi-finals of the Qatar ExxonMobil Open 2014 held at the Khalifa International Tennis Complex on January 3, 2014 in Doha, Qatar. (Photo by John Berry/Getty Images)