Current Ranking
0
Jun 27 2022
0
YTD 2022
Prize Money
$0
$0000000
YTD 2022
0 / 0
0/00
YTD 2022
Career High
0
Oct 10 2016
0
Career
Prize Money
$0
$000000000
Career
0 / 0
000/000
Career

Latest Matches

All Matches
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Grand Slam Record

Grand Slams

Best Grand Slam Result

Highest Finish

R16 x1
W/L
10/35
2016

Australian Open

R64 x1
2013

Roland Garros

R64 x1
2015

Wimbledon

R16 x1
2016

US Open

R64 x2
2021, 2015

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; idol growing up was Henin "because she's small in stature but had a very aggressive game"
Away from the court, enjoys shopping and watching Japanese movies

Career Highlights

SINGLES
Winner (1): 2015 - Luxembourg.
Finalist (2): 2019 - Hiroshima; 2016 - Kaohsiung.

DOUBLES
Winner (2): 2019 - Hiroshima (w/Hibino), 2014 - Istanbul (w/Svitolina).
Finalist (1): 2015 - Tokyo [Japan Open] (w/Nara).

ADDITIONAL
WTA 125K Series Titles - Singles (2): 2019 - Bastad; 2016 - San Antonio.
Japanese Fed Cup Team, 2011, 2013-15, 2017, 2019-20; Japanese Olympic Team, 2016.

Career in Review

2019 - Posted fifth Top 100 season (finishing No.74) for the first time since career best finish of No.38 in 2016; won one WTA 125K Series singles title at Bastad (d. Kovinic in final); runner-up at Hiroshima (l. to doubles partner Hibino); QF at Osaka (l. to Pavlyuchenkova); reached 2r twice; fell 1r 11 times (incl. Australian Open, Roland Garros and US Open) and in qualifying six times (incl. Wimbledon; won one WTA doubles title at Hiroshima (w/Hibino); won one WTA 125K Series doubles title.

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.

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Best Grand Slam Result

Highest Finish

R16 x1
W/L
10/35
2016

Australian Open

R64 x1
2013

Roland Garros

R64 x1
2015

Wimbledon

R16 x1
2016

US Open

R64 x2
2021, 2015
W/L 1/8 1/10 6/8 2/9
2022
R128
R128
-
-
2021
R128
R128
R128
R64
2020
R128
R128
-
R128
2019
R128
R128
-
R128
2018
-
-
-
-
2017
R128
R128
R128
R128
2016
R128
R128
R16
R128
2015
-
R64
R128
R64
2014
R128
R128
R64
R128
2013
R64
R128
R128
R128
2012
-
-
R128
-
2011
-
-
R32
R128
2010
-
R128
-
-
2022
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* For purposes of the player profile, individual player stats are cumulative for the calendar year and not calculated using a minimum match requirement.

SinglesRanking
Current Singles
108
Singles Career High Ranking
Highest Singles
30
Oct 10, 2016
Doubles Current Ranking
Current Doubles
131
Doubles Career High Ranking
Highest Doubles
77
May 24, 2021
Custom Filter: Top Rank by Year Year-end Ranking
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No Rankings Data Available

Date Top Rank by Year Year-end Ranking
2022 72
2021 75 105
2020 76 82
2019 74 74
2018 120 139
2017 40 119
2016 30 38
2015 54 60
2014 80 122
2013 75 89
2012 92 97
2011 103 106
2010 132 158
2009 194 200
2008 569 613
Custom Filter: Top Rank by Year Year-end Ranking
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No Rankings Data Available

Date Top Rank by Year Year-end Ranking
2022 113
2021 77 113
2020 80 80
2019 94 110
2018 104 109
2017 162 192
2016 96 168
2015 118 172
2014 78 101
2013 129 158
2012 459 795
2011 249 518
2010 222 250
2009 305 311
2008 583 593
2022