More on Doi...
Personal
Coached by Christian Zahalka; has trained at National Training Center in Tokyo since 2008 ... Father is a businessman; mother is a housewife; older brother, Ryota, is a tennis coach ... Introduced to tennis at age 6 by parents ... All-court player who likes being aggressive... Also enjoys shopping and watching Japanese movies ... Idol growing up was Henin "because she's small in stature but had a very aggressive game".
Career Highlights
SINGLES
Winner (1): 2019 - 125/Bastad; 2016 - 125/San Antonio; 2015 - Luxembourg.
Finalist (2): 2019 - Hiroshima; 2016 - Kaohsiung.
DOUBLES
Winner (2): 2019 - Hiroshima (w/Hibino), 125/Bastad (w/Vikhlyantseva); 2018 - 125/Newport (w/Teichmann); 2014 - Istanbul (w/Svitolina); 2013 - 125/Nanjing (w/Xu).
Finalist (1): 2015 - Tokyo [Japan Open] (w/Nara).
ADDITIONAL
Japanese Fed Cup Team, 2011, 2013-15, 2017, 2019; Japanese Olympic Team, 2016.
Career in Review
2018 - Reached 2r once; fell 1r twice and in qualifying eight times (incl. Australian Open, Roland Garros and Wimbledon); also won one WTA 125K Series doubles title; won two singles and four doubles titles on ITF Circuit.
2017 - SF at Nürnberg (l. to Bertens); QF at Taipei City (l. to Safarova); reached 3r once and 2r twice; fell 1r 12 times (incl. all four majors) and in qualifying three times.
2016 - Best season to date (finishing No.38); runner-up at Kaohsiung (l. V.Williams); QF twice at Rome (l. to Begu) and Stanford (l. to Cibulkova); reached 4r at Wimbledon (l. to Kerber), 3r twice and 2r five times (incl. Olympics); fell 1r 16 times (incl. other three majors); won one WTA 125K Series singles title.
2015 - Third Top 100 season (finishing No.60); won one WTA title at Luxembourg (d. Barthel in final); QF twice at Pattaya City and Nürnberg; reached 2r five times (incl. Australian Open, Roland Garros and US Open); fell 1r eight times (incl. Wimbledon) and in qualifying five times; also won one singles title on ITF Circuit.
2014 - Reached 2r five times (incl. Wimbledon); fell 1r five times (incl. other three majors) and in qualifying eight times; won one WTA doubles title; won one singles title on ITF Circuit.
2013 - Another Top 100 season (finishing No.89); QF twice at Strasbourg and Osaka; reached 2r five times (incl. Australian Open); fell 1r eight times (incl. other three majors) and in qualifying five times; won one WTA 125K Series doubles title.
2012 - First Top 100 season (finishing No.97); SF at Osaka (l. to Watson); QF at Birmingham; reached 2r four times; fell 1r three times (incl. Wimbledon) and in qualifying 10 times (incl. other three majors); made Top 100 debut on November 5 (rose from No.104 to No.97).
2011 - Reached 3r once (Wimbledon) and 2r four times; fell 1r six times (incl. US Open - ret. vs. Pous-Tio w/cramping) and in qualifying nine times (incl. other two majors).
2010 - Played first three WTA main draws, falling 1r at all three (incl. Roland Garros); fell in qualifying eight times (incl. other three majors); won one singles title and one doubles title on ITF Circuit.
2009 - Played first WTA qualifying at Osaka; won two singles titles on ITF Circuit.
2008 - Won one doubles title on ITF Circuit.
2007 - Continued to play on ITF Circuit in Japan.
2006 - Played first events of career on ITF Circuit in Japan.