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Misaki Doi
土居美咲 ^[1]

Doi at the 2021 French Open
Country (sports)	Japan
Residence	Tokyo, Japan
Born	(1991-04-29) 29 April 1991 (age 32) Ōamishirasato, Japan
Height	1.59 m (5 ft 3 in)
Turned pro	2006
Retired	September 2023
Plays	Left (two-handed backhand)
Coach	Christian Zahalka
Prize money	US$ 3,943,929
Singles
Career record	402–376 (51.7%)
Career titles	1
Highest ranking	No. 30 (10 October 2016)
Current ranking	No. 329 (11 September 2023)
Grand Slam singles results
Australian Open	2R ( 2013)
French Open	2R ( 2015)
Wimbledon	4R ( 2016)
US Open	2R ( 2015, 2021)
Other tournaments
Olympic Games	2R ( 2021)
Doubles
Career record	148–119 (55.4%)
Career titles	2
Highest ranking	No. 77 (24 May 2021)
Current ranking	No. 367 (11 September 2023)
Grand Slam doubles results
Australian Open	2R ( 2020)
French Open	3R ( 2022)
Wimbledon	2R ( 2017, 2021)
US Open	2R ( 2017)
Team competitions
Fed Cup	11–12 (47.8%)
Last updated on: 14 September 2023.

Misaki Doi (土居 美咲, Doi Misaki, born 29 April 1991) is a Japanese former professional tennis player. Her highest WTA rankings are No. 30 in singles and No. 77 in doubles. ^[2]

Doi reached two junior Grand Slam doubles finals – at Wimbledon in 2007 with Kurumi Nara, and at the Australian Open in 2008, with Elena Bogdan (losing both). She has made it to three WTA tournament finals (only winning one). She is managed by Muse Group, a sports marketing agency based in Tokyo.

Junior career

Doi began playing tennis at the age of six. She first distinguished herself in tennis as a middle-school student, reaching the semifinals of the All Japan Middle School Tennis Championships in both 2004 and 2006 and joining the ITF Junior Circuit in 2006. In 2007, while enrolled as a freshman in Sundai Kōei High School, Doi earned second place in the Japan Open Junior Championships in Nagoya.

A highlight of Doi's junior career was her successful doubles partnership with age-mate Kurumi Nara. They placed second in girls' doubles at the 2007 Wimbledon Championships, becoming only the second Japanese pair to reach the finals of a Grand Slam juniors event since Yuka Yoshida and Hiroko Mochizuki at the 1993 US Open. Doi and Nara continued their run by advancing to the girls' doubles semifinals at a number of high-profile tournaments, such as the 2007 US Open and Wimbledon 2008. Doi also teamed with Romanian Elena Bogdan to place second in girls' doubles at the 2008 Australian Open. This flurry of successes catapulted Doi to No. 3 in Japan's under-18 tennis rankings for 2007; she had been recognized early on as one of Japan's rising stars in junior tennis.

2008 marked Doi's first participation in ITF Women's Circuit events. She partnered with Kurumi Nara again for the 2008 ITF event in Miyazaki, where they upset top-seeded sisters Erika and Yurika Sema, 3–6, 6–3, [10–6] in the second round. Doi and Nara went on to triumph over Kimiko Date-Krumm and Tomoko Yonemura in the final.

Professional career

2006–09: First ITF title and qualifiers on WTA Tour

Doi officially turned pro in June 2006, at the age of 15. ^[3] In 2009, she focused primarily on Japanese tournaments, where she earned two first-place and two second-place finishes in singles and one second-place result in doubles. In March 2009, she won her first ITF title at the $10k Kofu event. In October, she made her tour debut in the qualifiers of the Japan Women's Open, falling to American Abigail Spears in the second qualifying round. ^[4] Doi was seeded sixth in the women's singles draw of the All Japan Tennis Championships. She lost in straight sets to Akiko Morigami in the round of 16. Her performance in 2009's events lifted Doi from a year-opening ranking of No. 613 to a year-end mark of No. 199 and a place among the top 10-players in Japanese tennis.

2010: First Grand Slam qualifying

In 2010, Doi began playing professional tournaments outside Japan. She appeared in the women's singles qualifiers for that year's Australian Open. Doi then made appearances at several circuit tournaments, placing second in singles at Irapuato, Mexico in March. In doubles, she recorded three second-place finishes in as many weeks in April tournaments at Incheon, Gimhae, and Changwon, South Korea, with partner Junri Namigata. With new partner Kotomi Takahata, Doi won her first $50k title in doubles at the Fukuoka International in May, defeating Marina Erakovic and Alexandra Panova in straight sets. ^[5]

Her success continued in the qualifying rounds of the French Open, where she defeated Mandy Minella and upset Michelle Larcher de Brito to reach the qualifier finals. With her victory over Vitalia Diatchenko, Doi had earned a spot in her first major tournament main draw, where she lost to Polona Hercog in the first round. ^[6] She finished the year with a first-place performance in the All Japan Tennis Championships women's singles.

2011: First Grand Slam main-draw win

Doi's Grand Slam results improved in 2011, when she qualified for Wimbledon and had her first win in Grand Slam tournament against Bethanie Mattek-Sands. She went on to defeat Zheng Jie before losing in the third round to Sabine Lisicki. ^[7]

2012: First WTA Tour quarterfinal

The Birmingham Classic was Doi's first appearance in the quarterfinals of a singles tour event, which she reached by defeating the top seed Francesca Schiavone in two sets. Although Doi lost in the Wimbledon qualifiers to Kristina Mladenovic, she received a lucky loser berth in the main tournament. She was defeated by her first-round opponent Arantxa Rus.

After failing to qualify for the main draws of the US Open and Pan Pacific Open, Doi found success at the Japan Women's Open, where she defeated Chanelle Scheepers in three sets to reach her first tour semifinal.

2013: Main-draw appearance at all major tournaments

2013 marked the first year in which Doi qualified for all four Grand Slam tournaments. In the Australian Open, she reached the second round after a two-set victory over Petra Martić, before losing 0–6, 0–6 to Maria Sharapova. She lost in the first round in the other three major events. At the French Open she faced Madison Keys; at Wimbledon Sílvia Soler Espinosa; and at the US Open Petra Kvitová.

2016: Wimbledon fourth round, top 30 debut

At the Australian Open, Doi played the seventh seed Angelique Kerber in the first round, winning the first set and holding a match point in the second-set tie-break before eventually losing in three sets. Kerber went on to win the title. On 16 May, she achieved a new career-high ranking of world No. 38, after her quarterfinal appearance in the Italian Open.

Doi competed at the Birmingham Classic, losing to Johanna Konta. She then reached the last 16 of Wimbledon, beating Louisa Chirico, Karolína Plíšková and Anna-Lena Friedsam before losing to Kerber, in straight sets. Doi was the first Japanese player to reach the fourth round of the ladies draw since Ai Sugiyama ten years earlier.

She made her top 30 debut on 10 October 2016.

2017: Inconsistency and falling out of top 100

Doi had a slow start to the year in Australia, beating world No. 30, Ekaterina Makarova, in the first round of the Brisbane International, before then losing three matches in a row to Roberta Vinci, local wildcard in Hobart Lizette Cabrera and then falling in round one to Pauline Parmentier at the Australian Open. Following a quarterfinal at the Taiwan Open - falling to Lucie Šafářová, she struggled for consistency, winning only one more match between February and May.

She had a minor resurgence on clay, beating WR13 and ninth seed Madison Keys and qualifier Donna Vekic at the Mutua Madrid Open, and then reaching the semifinals at Nürnberg. She then suffered a disappointing first-round exit at the French Open to Sara Errani, before exiting at the same stage at Wimbledon to Kirsten Flipkens.

For the rest of the year, Doi was not able to win back-to-back matches in tournaments, including a first-round exit in the US Open to Barbora Strýcová. After another first-round loss in the Japan Women's Open to Zarina Diyas, she exited the Top 100. She suffered further first-round losses to Irina Khromacheva in Hua Hin and world No. 79 and top seed Aryna Sabalenka in the $125k event in Taipei, Doi ended the year with just one more win in Hawaii, and ended the year ranked 119. ^[8]

2018: Return to the ITF Circuit and WTA Tour qualifying

Due to her ranking drop following her struggles in 2017, Doi returned to playing qualifying events in the Australian swing. She beat Tamara Zidanšek in the first round of qualifying at the Brisbane International before falling to Heather Watson in straight sets. She then exited the Australian Open to Dayana Yastremska 3-6, 1-6 in the first round of qualifying.

Doi then had two first round losses in Challenger-level events in the U.S., losing to wildcard Victoria Duval, 1-6 2-6 in the WTA 125 event at Newport Beach, and then to Bianca Andreescu in the $100k event in Midland.

Her ranking having dropped to 144, Doi dropped down to $25k event in Surprise, Arizona but was shocked in the second round by a French qualifier ranked 499. She then played three ITF and Challenger events, reaching a $25k quarterfinal in Rancho Santa Fe, and qualifying for the Oracle Challenger Indian Wells before falling in a final-set tiebreaker to Varvara Lepchenko.

After failing to qualify for Charleston, Doi played a number of ITF events with very limited success, winning only two matches and losing five. She then lost in the first round of qualifying for the French Open in straight sets to Rebecca Peterson.

Her ranking having plunged to 328, she returned to Asia to play a series of $25k events. This saw an upturn in form, winning the event in Kofu against five Japanese opponents, before then reaching the final of the event in Daegu in South Korea, before retiring injured 2-5 down in the final to Han Na-Lae. She then continued her improved form in the US, reaching a quarterfinal of a $60k event in Honolulu, losing to Jessica Pegula, before reaching a semifinal in Ashland, Kentucky, beating the top seed Caroline Dolehide on route, for her best ranking win of the season.

Doi then had a breakthrough in her season, by qualifying and winning a $100,000 ITF event in Vancouver, beating Heather Watson in the final. This provided her ranking a boost of around 80 places and meant she could play the qualifying event of the US Open - but lost in the first round to compatriot Nao Hibino, 4-6, 3-6.

After a first-round loss as a wildcard in Hiroshima, Doi qualified for the Pan Pacific Open before falling in the first round to Camila Giorgi. After an early exit in Tashkent, Doi qualified for the Tianjin Open, and had her best ranking win of the season by beating Yulia Putintseva, ranked 47. She then lost in the second round to Timea Bacsinszky. Her next breakthrough was at the $100k event in Shenzhen, where she reached semifinals - beating third seed Luksika Kumkhum, before losing to top seed Zheng Saisai. She ended season with a first-round loss to wildcard Sabine Lisicki in the WTA 125 event in Taipei.

She ended 2018 ranked 139. ^[9]

2019: Return to the top 100

Doi played her first event of the year at the Australian Open qualifying event, and carried on the good form of the end of 2018 by winning through three qualifying rounds to the main draw, though the highest-ranked opponent she faced was world No. 248. She then lost in straight sets to Madison Brengle.

Doi then entered five tournaments, winning only one match. She lost to Christina McHale in three sets ( Newport Beach), to Margarita Gasparyan in straight sets ( St. Petersburg Trophy), in a third-set tiebreak to Georgina García Pérez in Japan's Fed Cup World Group II tie against Spain, in three sets to Magdalena Fręch in Dubai, and in straight sets to Donna Vekić ( Mexican Open). Her sole win during this run was a three-set victory over Han Xinyun in Dubai.

Her form took a turn in Indian Wells, where she beat Francesca Di Lorenzo and Yanina Wickmayer to qualify, before defeating Ons Jabeur (WR55) in straight sets in the first round. She then took the opening set against top-5 player and fifth seed Karolína Plíšková, before falling 7-6, 1-6, 1-6. She repeated the feat in Miami, beating 71st-ranked Anastasia Potapova and Mandy Minella in qualfiying, before defeating wildcard Wang Xinyu in the first round. She then lost in two tight sets to Polona Hercog. Her performances in both tournaments raised her ranking back up to just outside the top 100 once more, at 101.

Doi then hit a barren spell with six Tour losses in a row (only winning two matches at Fed Cup World Group II playoffs against Netherlands), including a first-round loss at the French Open to seventh-ranked Sloane Stephens.

On grass, Doi beat Myrtille Georges in the $100k event in Manchester before losing to Wang Xiyu. She lost in the first round of the Birmingham Classic to Viktoriya Tomova, before falling in the second round of qualifying at Wimbledon. This meant she had fallen to around 117 in the world.

Doi then suddenly turned around her poor form with a run to the title in Bastad with wins over Australian Alison Bai, seventh-seeded Kazakh Elena Rybakina, fourth seeded German Mona Barthel, eighth-seeded Serbian Aleksandra Krunić, before beating Montenegrin Danka Kovinić in the final. The title was Doi's last WTA Tour title, and pushed her back into the top 100 rankings.

After a first-round loss in San Jose, Doi qualified for the Roger's Cup but lost in the first round to qualifier Ekaterina Alexandrova. She then lost in the first round of the $100k Vancouver Open, before losing in straight sets in the US Open to tenth seed Madison Keys.

Doi continued her good form with a run to the final in Hiroshima, beating both qualifier Junri Namigata and Australian qualifier Zoe Hives in a three-setter, as well as seventh seed Sara Sorribes Tormo, and second seed Veronika Kudermetova each one in straight sets. In the final, she lost to compatriot Nao Hibino - with whom she also took her last tour-level doubles title. She then reached the quarterfinals of the Pan Pacific Open, including beating world No. 21, Donna Vekić, in the second round. With these performances, she returned to world No. 74 in the rankings.

Her final tournaments were at the China Open, where she fell in qualifying, before qualifying in Linz with three-set wins over wildcard Melanie Klaffner and world No. 116, Jasmine Paolini. She lost to top seed Kiki Bertens in the main draw. Her final tournament of the season resulted in a three-set first-round loss to second seed Julia Görges in the Luxembourg Open.

Doi's year-end ranking had improved by 65 places on the previous year, ending the year ranked 74.

2020: COVID-19 pandemic and inconsistent results

Doi started 2020 with four straight losses, including a final set tiebreak loss in the Australian Open to qualifier Harriet Dart and a singles tie loss to Carla Suarez Navarro in the Fed Cup tie with Spain. She entered the main draw of the Qatar Open as a lucky loser, but lost for the second time to Tereza Martincová, who had beaten her in qualifying. She then reached the final of the WTA 125 event in Indian Wells, including wins over world No. 59, Bernarda Pera, former world No. 2, Vera Zvonareva, and Yanina Wickmayer, before losing to Irina-Camelia Begu in the final. This was her final event before restrictions of the COVID-19 pandemic shut down the professional tour.

In her first tournaments after the pandemic break, Doi again struggled to consistently win at Tour level. She lost in the first round of the Top Seed Open to wildcard Shelby Rogers, before losing in qualifying for the WTA 1000 event in the Western & Southern Open to Oceane Dodin. She then lost in the first round to fourth seed and eventual champion Naomi Osaka in the US Open.

After a second-round appearance in the Istanbul Cup, Doi qualified for Rome, beating Martina Trevisan before falling 1-6 6-4 4-6 to 12th seed Markéta Vondroušová in the opening round. She then lost in the first round of the re-organised French Open in straight sets to 13th seed Petra Martić.

Doi returned to the ITF circuit for the final three tournaments of the season, reaching the quarter finals of an $80,000 event in Macon, the second round of an $80,000 event in Tyler, and then retired injured in the final set of the semi final of a $100,000 event in Charleston to Mayar Sherif, having defeated Robin Montgomery, Sara Errani, and Ann Li in the previous rounds. She finished the season ranked 82.

2023: Last year of her career

In August, Doi announced that she would be retiring from the tour, due to chronic back injuries. ^[10] She played her final tournaments at the Japan Women's Open in Osaka, and the Pan Pacific Open in Tokyo.

Personal background

Doi is coached by Christian Zahalka since April 2015. Her most admired players are Justine Henin and Shingo Kunieda. ^[11] She uses a Srixon racquet and ASICS shoes, prefers to play on hardcourts, and favors her forehand and serve.

Performance timelines

Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records. ^[12]

Singles

Current through the 2023 Australian Open.

Doubles

WTA career finals

Singles: 3 (1 title, 2 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Oct 2015	Luxembourg Open, Luxembourg	International [d]	Hard (i)	Mona Barthel	6–4, 6–7(7–9), 6–0
Loss	1–1	Feb 2016	Taiwan Open, Taiwan	International	Hard	Venus Williams	4–6, 2–6
Loss	1–2	Sep 2019	Japan Women's Open, Japan	International	Hard	Nao Hibino	3–6, 2–6

Doubles: 3 (2 titles, 1 runner-up)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jul 2014	İstanbul Cup, Turkey	International	Hard	Elina Svitolina	Oksana Kalashnikova Paula Kania	6–4, 6–0
Loss	1–1	Sep 2015	Japan Women's Open, Japan	International	Hard	Kurumi Nara	Chan Yung-jan Chan Hao-ching	1–6, 2–6
Win	2–1	Sep 2019	Japan Women's Open, Japan	International	Hard	Nao Hibino	Christina McHale Valeria Savinykh	3–6, 6–4, [10–4]

WTA Challenger finals

Singles: 4 (2 titles, 2 runner-ups)

Result	W–L	Date	Tournament	Surface	Opponent	Score
Loss	0–1	Nov 2015	WTA 125 Taipei, Taiwan	Carpet (i)	Tímea Babos	5–7, 3–6
Win	1–1	Mar 2016	WTA 125 San Antonio, United States	Hard	Anna-Lena Friedsam	6–4, 6–4
Win	2–1	Jul 2019	WTA 125 Båstad, Sweden	Clay	Danka Kovinić	6–4, 6–4
Loss	2–2	Mar 2020	WTA 125 Indian Wells, United States	Hard	Irina-Camelia Begu	3–6, 3–6

Doubles: 5 (4 titles, 1 runner-up)

Result	W–L	Date	Tournament	Surface	Partner	Opponents	Score
Win	1–0	Nov 2013	WTA 125 Nanjing, China	Hard	Xu Yifan	Zhang Shuai Yaroslava Shvedova	6–1, 6–4
Win	2–0	Jan 2018	WTA 125 Newport Beach, United States	Hard	Jil Teichmann	Jamie Loeb Rebecca Peterson	7–6(7–4), 1–6, [10–8]
Win	3–0	Jul 2019	WTA 125 Båstad, Sweden	Clay	Natalia Vikhlyantseva	Alexa Guarachi Danka Kovinić	7–5, 6–7(4–7), [10–7]
Win	4–0	Jul 2022	WTA 125 Båstad, Sweden (2)	Clay	Rebecca Peterson	Mihaela Buzărnescu Irina Khromacheva	w/o
Loss	4–1	Oct 2022	WTA 125 Rouen, France	Hard (i)	Oksana Kalashnikova	Natela Dzalamidze Kamilla Rakhimova	2–6, 5–7

ITF Circuit finals

Singles: 12 (7 titles, 5 runner–ups)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Mar 2009	ITF Kōfu, Japan	10,000	Hard	Erika Sema	7–5, 6–2
Win	2–0	Jul 2009	ITF Tokyo, Japan	10,000	Carpet	Sachie Ishizu	6–1, 6–4
Loss	2–1	Sep 2009	ITF Makinohara, Japan	25,000	Carpet	Hsieh Su-wei	6–2, 5–7, 6–7(4)
Loss	2–2	Oct 2009	ITF Tokachi, Japan	25,000	Carpet	Tomoko Yonemura	4–6, 6–7(3)
Loss	2–3	Mar 2010	ITF Irapuato, Mexico	25,000	Hard	Monique Adamczak	6–7(5), 6–2, 2–6
Win	3–3	Nov 2010	ITF Toyota, Japan	75,000	Carpet (i)	Junri Namigata	7–5, 6–2
Win	4–3	Apr 2014	ITF Seoul, South Korea	50,000	Hard	Misa Eguchi	6–1, 7–6(3)
Win	5–3	Jan 2015	ITF Hong Kong, China SAR	50,000	Hard	Zhang Kailin	6–3, 6–3
Win	6–3	Aug 2018	ITF Vancouver, Canada	100,000	Hard	Heather Watson	6–7(4), 6–1, 6–4
Win	7–3	Oct 2021	ITF Tyler, United States	80,000	Hard	Harriet Dart	7–6(5), 6–2
Loss	7–4	Mar 2023	ITF Bengaluru, India	25,000	Hard	Misaki Matsuda	5–7, 6–4, 6–7(6)
Loss	7–5	Jun 2023	ITF Ricany, Czech Republic	60,000	Clay	Elvina Kalieva	6–7(2), 0–6

Doubles: 14 (6 titles, 8 runner–ups)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jul 2008	ITF Miyazaki, Japan	25,000	Carpet	Kurumi Nara	Kimiko Date-Krumm Tomoko Yonemura	4–6, 6–3, [10–7]
Loss	1–1	May 2009	ITF Gifu, Japan	50,000	Carpet	Kurumi Nara	Sophie Ferguson Aiko Nakamura	2–6, 1–6
Loss	1–2	Apr 2010	ITF Incheon, South Korea	25,000	Hard	Junri Namigata	Irina-Camelia Begu Erika Sema	0–6, 6–7(8)
Loss	1–3	Apr 2010	ITF Gimhae, South Korea	25,000	Hard	Junri Namigata	Chang Kyung-mi Lee Jin-a	6–1, 4–6, [8–10]
Loss	1–4	Apr 2010	ITF Changwon, South Korea	25,000	Hard	Junri Namigata	Chang Kyung-mi Lee Jin-a	7–5, 3–6, [8–10]
Win	2–4	May 2010	ITF Fukuoka, Japan	50,000	Carpet	Kotomi Takahata	Marina Erakovic Alexandra Panova	6–4, 6–4
Loss	2–5	Jul 2013	ITF Beijing, China	75.000	Hard	Miki Miyamura	Liu Chang Zhou Yimiao	6–7(1), 4–6
Win	3–5	Nov 2013	ITF Toyota, Japan	75.000	Carpet (i)	Shuko Aoyama	Eri Hozumi Makato Ninomiya	7–6(1), 2–6, [11–9]
Loss	3–6	May 2014	ITF Gifu, Japan	75.000	Hard	Hsieh Shu-ying	Jarmila Gajdošová Arina Rodionova	3–6, 3–6
Win	4–6	Feb 2018	ITF Surprise, United States	25,000	Hard	Yanina Wickmayer	Jacqueline Cako Caitlin Whoriskey	2–6, 6–3, [10–8]
Win	5–6	Feb 2018	ITF Kōfu, Japan	25,000	Hard	Misa Eguchi	Megumi Nishimoto Kotomi Takahata	6–3, 6–7(2), [10–8]
Win	6–6	Oct 2018	ITF Suzhou, China	100,000	Hard	Nao Hibino	Luksika Kumkhum Peangtarn Plipuech	6–2, 6–3
Loss	6–7	Oct 2021	ITF Tyler, United States	80,000	Hard	Katarzyna Kawa	Giuliana Olmos Marcela Zacarías	5–7, 6–1, [5–10]
Loss	6–8	Oct 2022	ITF Les Franqueses del Vallès, Spain	100,000	Hard	Beatrice Gumulya	Aliona Bolsova Rebeka Masarova	5–7, 6–1, [3–10]

Wins over top 10-players

#	Player	Rank	Event	Surface	Rd	Score
2017
1.	Madison Keys	No. 10	Madrid Open, Spain	Clay	1R	6–4, 4–6, 6–4 [13]

Notes

References

External links

Wikimedia Commons has media related to Misaki Doi.

• Misaki Doi at the Women's Tennis Association
• Misaki Doi at the International Tennis Federation
• Misaki Doi at the Billie Jean King Cup
• Japan Tennis Association profile (in Japanese)
• Misaki Doi official website Archived 2017-11-07 at the Wayback Machine
• Misaki Doi's personal blog (in Japanese)