Tennis champion Naomi Osaka sued by her coach Christophe Jean who had been training the star since she was 13 and claimed her father signed a contract promising him 20% of her career earnings.
Christophe Jean who says Naomi’s father, Leonard Francois, hired him to work with Naomi and his other daughter, Mari, back in 2011.
Jean says Francois couldn’t pay his rates at the time, so they struck a deal in which Jean agreed to accept 20% of Naomi and Mari’s tennis prize money and endorsement deals forever. 
Of course, Naomi, now 21 years old, has blossomed into a tennis superstar, currently ranked #1 in the world and famously beat Serena Williams at the 2018 US Open.
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