Naomi Osaka claims US Open victory not the happiest moment

(G.N.S) DT.02 Japanese youth sensation Naomi Osaka, who defeated Serena Williamsto win the US Open 2018, has claimed that the title victory isn’t the happiest memory for her.The 20-year-old star said it was rather a bittersweet moment and she is trying to forget about the same.The US Open 2018 final was a controversial