Follow our live coverage of day two of the Tokyo Olympics here. Home medal hope Naomi Osaka strolled into the second round of the Tokyo 2020 Olympic Games tennis tournament on her return to the court after taking time out for her mental health. Osaka, who lit the flame of the Olympic cauldron at the opening ceremony on Friday, made swift work of Chinas No 3 Zheng Saisai at the Ariake Tennis Park. The world No 2 and Tokyo
