Naomi Osaka has never been the loudest or most outspoken tennis player on tour, but even she has limits. After a social media troll called her a “fluke,” the four-time Grand Slam champion clapped back with undeniable proof that her success is anything but a fluke,

The Frenchman has been tasked with helping Osaka get her career back on track after a shaky string of performances, and the coach appears to be pleased with what he saw during the