Coached by Eiji Takeuchi ... Named after Naoko Sawamatsu; brother is named after Shuzo Matsuoka; says family is tennis crazy ... Started playing tennis at age 10.
SINGLESWinner (1): 2015 - Tashkent.Finalist (2): 2017 - Kuala Lumpur; 2016 - Tashkent.DOUBLESWinner (1): 2017 - Monterrey (w/Rosolska)ADDITIONALJapanese Fed Cup Team, 2016; Japanese Olympic Team, 2016.
2015 - First Top 100 season (finishing No.78); won one WTA title at Tashkent (d. Vekic in final); made Top 100 debut afterwards on October 5 (rose from No.117 to No.76); reached 2r once; fell 1r once and in qualifying four times (incl. Wimbledon and US Open); also won three singles titles and two doubles titles on ITF Circuit.2014 - Fell in WTA qualifying four times (incl. US Open).2013 - Fell in WTA qualifying twice; won one singles title and one doubles title on ITF Circuit.2012 - Played first events of career on ITF Circuit, winning three singles titles and one doubles title.