
Professional tennis player Naomi Osaka has experienced a lot of firsts. She's been ranked number-one in singles by the Women's Tennis Association and was the first Asian player to achieve that honor. Her success is not overnight, though. Born in Japan, Osaka has been training...

Professional tennis player Naomi Osaka has experienced a lot of firsts. She's been ranked number-one in singles by the Women's Tennis Association and was the first Asian player to achieve that honor. Her success is not overnight, though. Born in Japan, Osaka has been training...