
Osaka to work with Wiktorowski on trial after Mouratoglou split
Japan’s Naomi Osaka, a four-time Grand Slam singles champion, will work with Polish coach Tomasz Wiktorowski on a trial basis after splitting with Patrick Mouratoglou after less than a year together. Osaka announced the parting with Frenchman Mouratoglou, the former coach of superstar Serena Williams, on social media on Monday before defeating Canadian qualifier Ariana…