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Misaki Doi
土居美咲
Singles
Doi at the 2021 French Open
Country (sports)	Japan
Residence	Tokyo, Japan
Born	(1991-04-29) 29 April 1991 (age 34) 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$ 3,946,733
Career record	404–378 (51.66%)
Career titles	1
Highest ranking	No. 30 (10 October 2016)
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 (55.43%)
Career titles	2
Highest ranking	No. 77 (24 May 2021)
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 (47.83%)

Misaki Doi (土居美咲, Doi Misaki, born 29 April 1991) is a Japanese former professional tennis player. She was known for her strong left-handed play.

Misaki reached two junior Grand Slam doubles finals. These were at Wimbledon in 2007 and the Australian Open in 2008. She also played in three WTA (Women's Tennis Association) tournament finals, winning one of them.

Early Tennis Years

Misaki Doi started playing tennis when she was six years old. She quickly showed talent, especially during her middle school years. In 2004 and 2006, she reached the semifinals of the All Japan Middle School Tennis Championships. She joined the ITF Junior Circuit in 2006, which is a series of tournaments for young players.

In 2007, Misaki came in second place at the Japan Open Junior Championships. This showed she was one of Japan's rising young tennis stars.

Junior Doubles Success

A big part of Misaki's junior career was her doubles partnership with Kurumi Nara. In 2007, they finished second in girls' doubles at Wimbledon. This was a big achievement for a Japanese pair. They continued to do well, reaching semifinals at the US Open and Wimbledon 2008.

Misaki also teamed up with Elena Bogdan from Romania. They finished second in girls' doubles at the 2008 Australian Open. These successes helped Misaki become one of the top junior players in Japan.

Becoming a Professional Player

Misaki Doi officially became a professional tennis player in June 2006, when she was 15.

First Professional Wins (2009)

In 2009, Misaki mostly played in tournaments in Japan. She won her first ITF (International Tennis Federation) title in March 2009. This win helped her ranking improve a lot. By the end of 2009, she was among the top 10 players in Japanese tennis.

Playing in Grand Slams (2010)

In 2010, Misaki started playing in bigger tournaments outside Japan. She played in the qualifying rounds for the 2010 Australian Open. She also won her first doubles title at the Fukuoka International Women's Cup with her partner Kotomi Takahata.

Misaki then qualified for her first major tournament, the 2010 French Open. This was a big step in her career. She finished the year by winning the All Japan Tennis Championships in singles.

First Major Win (2011)

Misaki's performance in Grand Slams got better in 2011. She qualified for Wimbledon 2011 and won her first match in a Grand Slam. She even won another match before losing in the third round.

Reaching WTA Quarterfinals (2012)

In 2012, Misaki reached the quarterfinals of a singles tournament for the first time at the Birmingham Classic. She beat a top player, Francesca Schiavone, to get there. Later that year, she reached her first tour semifinal at the Japan Women's Open.

Playing All Major Tournaments (2013)

The year 2013 was special because Misaki qualified for all four Grand Slam tournaments. These are the Australian Open, French Open, Wimbledon, and US Open. She reached the second round of the Australian Open that year.

Wimbledon Success and Top 30 Ranking (2016)

Misaki Doi at the 2016 Wimbledon Championships

At the 2016 Australian Open, Misaki played a very close match against Angelique Kerber, who later won the tournament. Misaki reached a new career-high ranking of world No. 38 in May 2016.

Her best Grand Slam result came at Wimbledon that year. She reached the fourth round, which was a great achievement. She was the first Japanese female player to reach this stage at Wimbledon in ten years. In October 2016, she entered the top 30 players in the world.

Challenges and Comebacks (2017-2019)

After 2016, Misaki faced some challenges and her ranking dropped. She worked hard to get back to her best. In 2018, she won an ITF event in Vancouver, which helped her ranking improve a lot.

In 2019, Misaki showed great form again. She qualified for the 2019 Australian Open main draw. She also had a big win at the Bastad Open, winning her last WTA Tour title. This win pushed her back into the top 100 rankings. She ended 2019 ranked 74th in the world.

Later Career and Retirement (2020-2023)

In 2020, the COVID-19 pandemic affected the tennis tour. Misaki continued to play, reaching a final at a WTA Challenger event in Indian Wells.

In 2022, she won a doubles title at the Swedish Open with her partner Rebecca Peterson.

In August 2023, Misaki Doi announced that she was retiring from professional tennis. This was due to ongoing back injuries. She played her final tournaments in Japan, at the 2023 Japan Women's Open and the Pan Pacific Open.

Personal Information

Misaki Doi's coach since April 2015 was Christian Zahalka. She admired tennis players like Justine Henin and Shingo Kunieda. Misaki preferred playing on hardcourts and was known for her strong forehand and serve.

Career Highlights

Misaki Doi played in many tournaments throughout her career. Here are some of her main achievements:

Singles Performance

Misaki played in all four Grand Slam tournaments many times. Her best results were reaching the second round at the Australian Open and US Open, and the fourth round at Wimbledon.

Tournament	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	Titles	Wins–Losses
Grand Slam tournaments
Australian Open	Q1	Q2	Q1	2R	1R	Q2	1R	1R	Q1	1R	1R	1R	1R	Q2	0	1–8
French Open	1R	A	A	1R	1R	2R	1R	1R	Q1	1R	1R	1R	1R		0	1–10
Wimbledon	Q3	3R	1R	1R	2R	1R	4R	1R	A	Q2	NH	1R	1R		0	6–9
US Open	Q2	1R	A	1R	1R	2R	1R	1R	Q1	1R	1R	2R	Q3		0	2–9
Overall Grand Slam Record	0–1	2–2	0–1	1–4	1–4	2–3	3–4	0–4	0–0	0–3	0–3	1–4	0–3	0–0	0 / 36	10–36

Doubles Performance

Misaki also played in doubles tournaments at the Grand Slams.

Tournament	2013	2014	2015	2016	2017	2020	2021	2022	Titles	Wins–Losses
Australian Open	1R	1R	A	1R	1R	3R	1R	A	0	2–6
French Open	2R	A	A	2R	1R	2R	2R	3R	0	6–6
Wimbledon	A	A	1R	2R	2R	NH	2R		0	3–4
US Open	A	2R	A	1R	2R	A	1R		0	2–4
Overall Grand Slam Doubles Record	1–2	1–2	0–1	2–4	2–4	3–2	2–4	2–1	0 / 20	13–20

WTA Tour Finals

Misaki Doi reached three singles finals and three doubles finals on the WTA Tour.

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

Misaki won one singles title and was the runner-up twice.

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

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

Misaki won two doubles titles and was the runner-up once.

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