Naomi Osaka is being sued by her former coach who says the world No. 1 tennis player owes him 20 percent of her career earnings, American entertainment website TMZ has reported.Christophe Jean, the two-time Grand Slam champion's former junior coach is demanding a least $2 million of the $10.8 million prize money Osaka has collected during her career, TMZ reported on Monday. He claims he was hired by Osaka's father Leonard Francois who he says signed a contract promising him the money.According to the lawsuit he filed in Florida's state court, Jean coached Osaka and her sister Mari back in 2…READ FULL ARTICLE
