Naomi Osaka Chooses br Japanese Citizenship br for 2020 Tokyo Olympics.br The tennis star has decided br to represent Japan over the br U.S. in the upcoming games.br Osaka, who was born in Japan br but raised in the U.S., holds dual br citizenship to both countries.br Japan requires those with br dual citizenship to relinquish br one before turning 22.br I think I will be able to put more of my emotion into it by playing for the pride of the country. br , Naomi Osaka, via NHK.