Kumiko Iijima (飯島 久美子, Iijima Kumiko, born 22 October 1982) is a Japanese former tennis player.

Kumiko Iijima
Country (sports) Japan
ResidenceTokyo, Japan
Born (1982-10-22) 22 October 1982 (age 42)
Gunma, Japan
Height1.62 m (5 ft 4 in)
Turned pro1998
PlaysRight (two-handed both sides)
Prize money$191,314
Singles
Career record234–243
Career titles4 ITF
Highest rankingNo. 182 (9 May 2011)
Grand Slam singles results
Australian OpenQ1 (2008, 2009, 2011)
French OpenQ1 (2008, 2011)
WimbledonQ3 (2008)
US OpenQ1 (2007, 2008, 2011)
Doubles
Career record225–149
Career titles20 ITF
Highest rankingNo. 151 (9 July 2007)

She preferred playing on the ITF Women's Circuit where she won four singles and 20 doubles titles. In May 2011, Iijima reached her highest WTA singles ranking of 182. On 9 July 2007, she peaked at No. 151 in the WTA doubles rankings. She was coached by Kimiyo Hatanaka.

ITF Circuit finals

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Legend
$50,000 tournaments
$25,000 tournaments
$10,000 tournaments

Singles: 10 (4–6)

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Outcome No. Date Location Surface Opponent Score
Runner-up 1. 21 November 1999 Haibara, Japan Carpet   Choi Young-ja 3–6, 4–6
Winner 2. 3 June 2007 Gunma, Japan Carpet   Natsumi Hamamura 3–6, 6–3, 7–6(3)
Winner 3. 23 September 2007 Tsukuba, Japan Hard   Anne Yelsey 6–4, 6–0
Runner-up 4. 14 October 2007 Beijing, China Hard   Zhou Yimiao 1–6, 2–6
Runner-up 5. 3 June 2008 Gunma, Japan Carpet   Tomoko Yonemura 0–6, 3–6
Runner-up 6. 14 September 2008 Noto, Japan Carpet   Suchanun Viratprasert 4–6, 4–6
Winner 7. 25 September 2010 Makinohara, Japan Carpet   Shiho Akita 6–1, 6–2
Winner 8. 3 October 2010 Hamanako, Japan Carpet   Erika Sema 6–7(4), 6–2, 6–4
Runner-up 9. 11 December 2010 Bangalore, India Hard   Nicha Lertpitaksinchai 4–6, 3–6
Runner-up 10. 1 April 2012 Nishitama, Japan Hard   Akiko Yonemura 1–1 ret.

Doubles: 36 (20–16)

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Outcome No. Date Tournament Surface Partner Opponents Score
Runner-up 1. 26 September 1999 ITF Tokyo, Japan Hard   Maki Arai   Li Na
  Li Ting
2–6, 1–6
Winner 2. 21 November 1999 ITF Haibara, Japan Carpet   Maki Arai   Choi Young-ja
  Kim Eun-sook
6–2, 6–0
Runner-up 3. 10 July 2000 ITF Brussels, Belgium Clay   Kaori Aoyama   Ekaterina Kozhokina
  Caroline Maes
1–6, 4–6
Runner-up 4. 20 November 2000 ITF Kofu, Japan Carpet   Maki Arai   Seiko Okamoto
  Keiko Taguchi
5–3, 1–4, 4–5, 1–4
Winner 5. 8 July 2001 ITF Kaohsiung, Taiwan Hard   Maki Arai  Khoo Chin-bee
 Weng Tzu-ting
w/o
Runner-up 6. 18 November 2001 ITF Haibara, Japan Carpet   Satoko Kurioka   Keiko Ishida
  Tomoko Taira
2–6, 4–6
Runner-up 7. 21 April 2002 ITF Gunma, Japan Carpet   Mari Inoue   Chan Chin-wei
  Hsieh Su-wei
0–6, 1–6
Winner 8. 25 May 2003 ITF Gunma, Japan Grass   Suchanun Viratprasert   Aiko Nakamura
  Maki Arai
4–6, 7–5, 6–4
Runner-up 9. 2 May 2004 ITF Jakarta, Indonesia Hard   Mari Inoue   Septi Mende
  Wukirasih Sawondari
2–6, 3–6
Winner 10. 31 October 2004 ITF Tokyo, Japan Hard   Junri Namigata   Maki Arai
  Akiko Yonemura
6–3, 6–1
Winner 11. 13 February 2005 ITF Yamaguchi, Japan Clay   Maki Arai   Lisa d'Amelio
  Christina Horiatopoulos
6–3, 7–6
Winner 12. 17 July 2005 ITF Hamilton, Canada Clay   Junri Namigata   Lauren Barnikow
  Lauren Breadmore
6–7(4), 6–2, 6–2
Runner-up 13. 31 July 2005 Lexington Challenger, U.S. Hard   Junri Namigata   Vilmarie Castellvi
  Samantha Reeves
2–6, 1–6
Winner 14. 6 November 2005 ITF Sutama, Japan Clay   Maki Arai   Tomoko Dokei
  Yukiko Yabe
6–1, 6–2
Winner 15. 28 May 2006 ITF Nagano, Japan Carpet   Junri Namigata   Remi Tezuka
  Tomoko Yonemura
6–3, 7–6(3)
Winner 16. 16 July 2006 ITF Miyazaki, Japan Carpet   Maki Arai   Seiko Okamoto
  Ayami Takase
6–2, 6–3
Winner 17. 6 August 2006 ITF Tokachi, Japan Carpet   Junri Namigata   Shiho Hisamatsu
  Remi Tezuka
7–5, 6–4
Winner 18. 23 September 2006 ITF Ibaraki, Japan Hard   Junri Namigata   Natsumi Hamamura
  Ayaka Maekawa
6–7(4), 6–3, 6–2
Winner 19. 22 October 2006 ITF Makinohara, Japan Carpet   Hsieh Su-wei   Keiko Taguchi
  Kim Hea-mi
6–3, 4–6, 6–0
Runner-up 20. 9 April 2007 ITF Ho Chi Minh City, Vietnam Hard   Seiko Okamoto   Han Xinyun
  Hao Jie
2–6, 6–1, 3–6
Runner-up 21. 6 May 2007 Kangaroo Cup, Japan Carpet   Seiko Okamoto   Ayumi Morita
  Ai Sugiyama
1–6, 6–3, 0–6
Winner 22. 3 June 2007 ITF Gunma, Japan Carpet   Akiko Yonemura   Chen Yi
  Yoo Mi
6–4, 6–4
Runner-up 23. 8 June 2007 ITF Changsha, China Hard   Chan Chin-wei   Huang Lei
  Xu Yifan
3–6, 4–6
Winner 24. 7 July 2007 ITF Obihiro, Japan Carpet   Junri Namigata   Ayumi Morita
  Akiko Yonemura
7–6(3), 6–0
Runner-up 25. 13 September 2007 ITF Tokyo, Japan Hard   Akiko Yonemura   Junri Namigata
  Rika Fujiwara
6–3, 6–7(4), [5–10]
Winner 26. 30 May 2010 ITF Kusatsu, Japan Carpet   Tomoko Yonemura   Maya Kato
  Ayaka Maekawa
6–7(5), 6–4, [10–8]
Runner–up 27. 29 August 2010 ITF Saitama, Japan Hard   Akiko Yonemura   Akari Inoue
  Kotomi Takahata
3–6, 3–6
Winner 28. 5 September 2010 ITF Tsukuba, Japan Hard   Akiko Yonemura   Chan Chin-wei
  Chen Yi
4–6, 7–6(6), [10–7]
Winner 29. 19 September 2010 ITF Darwin, Australia Hard   Yurika Sema   Alenka Hubacek
  Tammi Patterson
6–4, 6–1
Winner 30. 28 September 2010 ITF Hamanako, Japan Clay   Erika Sema   Kao Shao-yuan
  Ayaka Maekawa
6–2, 6–1
Runner-up 31. 12 December 2010 ITF Bangalore, India Hard   Chen Yi   Luksika Kumkhum
  Nungnadda Wannasuk
6–7, 7–5, 4–6
Runner-up 32. 25 February 2011 ITF Mildura, Australia Grass   Rika Fujiwara   Casey Dellacqua
  Olivia Rogowska
6–4, 6–7(6), [4–10]
Runner-up 33. 4 March 2011 ITF Sydney, Australia Hard   Rika Fujiwara   Casey Dellacqua
  Olivia Rogowska
6–3, 6–7(3) [4–10]
Winner 34. 21 May 2012 ITF Karuizawa, Japan Grass   Hsieh Shu-ying   Samantha Murray
  Emily Webley-Smith
3–6, 7–6, 10–1
Winner 35. 9 September 2012 ITF Noto, Japan Grass   Akiko Yonemura   Miki Miyamura
  Mari Tanaka
6–1, 4–6 [10–5]
Runner–up 36. 23 June 2013 ITF Tokyo, Japan Hard   Akiko Yonemura   Makoto Ninomiya
  Yuka Mori
4–6, 3–6
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