Career
She is currently ranked 58th in singles and 157th in doubles - both career high rankings. 2014 Hibino made her Women's Tennis Association main draw debut at the 2014 Japan Women"s Open, in the doubles event where she partnered Riko Sawayanagi. They lost in the first round to Yurika Sema and Erika Sema.
She made her grand slam debut at the 2015 United States Open where she defeated Anna Tatishvili in the first qualifying round.
2015 In 2015, Hibino reached the final of the 2015 Fukuoka International Women"s Cup where she lost to Kristýna Plíšková. Hibino made her debut at the 2015 Wimbledon Championships, defeating Ayumi Morita in the first qualifying round before losing to Anna Tatishvili.
Her second $50,000 title came at the 2015 Stockton Challenge, defeating Belgian An-Sophie Mestach in the final. This was Hibino"s first singles title outside Japan.
Her rise continued when she continued her good results at 2015 FSP Gold River Challenge and the 2015 Kentucky Bank Tennis Championships, reaching the semifinals and winning the title, respectively.
At the 2015 United States Open, Hibino reached the final qualifying round, defeating Tereza Martincová and Eri Hozumi in the first two rounds before losing to Kateryna Bondarenko. Her wins were over Anhelina Kalinina, Kateryna Kozlova, Bojana Jovanovski and in the final Donna Vekić. This title gave Hibino a career high ranking, breaking into the top 100 for the first time in her career.
Finals: 10 (7–3) Doubles Finals: 8 (4–4).