
Naomi Osaka 'refreshed and happy' as she kicks off her Olympic campaign with dominant victory against Saisai Zheng
CNN
These are early days for the Tokyo Olympics, but Naomi Osaka is quickly emerging as the headline act.
Two days after lighting the cauldron at the Opening Ceremony -- a moment she called "the greatest athletic achievement and honor" of her life -- Osaka took to the tennis court for her first game in almost two months on Sunday, defeating China's Saisai Zheng 6-1 6-4 on Ariake Tennis Park's Centre Court. Wimbledon champion Ashleigh Barty's surprise loss against Sara Sorribes Tormo earlier on Sunday means Osaka is now the top-ranked player in the women's draw in her bid to become the first Japanese woman to win an Olympic tennis medal.More Related News

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