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born 9 June 1980 is a former tennis player from Japan.
Born in Tokyo, Tezuka spent most of her career competing on the ITF Women's Circuit, where she was successful in doubles, with a total of 15 titles.
Tezuka, a right-handed player, made the occasional main draw appearance in doubles on the WTA Tour, including a quarterfinal appearance at the Japan Open in 2004.
She retired from professional tennis after the 2012 season.
| $50,000 tournaments |
| $25,000 tournaments |
| $10,000 tournaments |
| Loss | 1. | 2 July 2000 | ITF Lachine, Canada | Clay | Kelly Liggan | 5–7, 0–6 |
| Loss | 2. | 3 September 2006 | ITF Saitama, Japan | Hard | Mayumi Yamamoto | 5–7, 7–6, 6–7 |
| Loss | 3. | 9 August 2009 | ITF Niigata, Japan | Carpet | Shiho Akita | 4–6, 4–6 |
| Win | 1. | 15 August 1999 | ITF Bucharest, Romania | Clay | Satomi Kinjo | Marina Petković Veronica Sartini | 4–6, 7–5, 7–6 |
| Loss | 1. | 28 November 1999 | ITF Kōfu, Japan | Carpet | Maki Arai | Seiko Okamoto Keiko Taguchi | 6–7, 6–0, 5–7 |
| Win | 2. | 23 July 2000 | ITF Vancouver, Canada | Hard | Satomi Kinjo | Nicole Havlicek Michelle Summerside | 2–6, 7–6, 6–4 |
| Loss | 2. | GB Pro-Series Glasgow, UK | Hard (i) | Julia Smith | Anna Hawkins Abigail Tordoff | 2–6, 2–6 | |
| Loss | 3. | 10 March 2001 | ITF Hangzhou, China | Hard | Lenka Dlhopolcová | Li Na Shen Luili | 3–6, 3–6 |
| Loss | 4. | 2 July 2001 | ITF Amsterdam, Netherlands | Clay | Romana Tedjakusuma | Mareze Joubert Andrea van den Hurk | 2–6, 2–6 |
| Win | 3. | 10 February 2002 | ITF Faro, Portugal | Hard | Maki Arai | Satomi Kinjo Seiko Okamoto | 7–5, 6–7(5), 6–2 |
| Win | 4. | 17 February 2002 | ITF Vilamoura, Portugal | Hard | Maki Arai | Liana Ungur Marta Fraga | 6–2, 7–5 |
| Loss | 5. | 14 April 2002 | ITF Ho Chi Minh City, Vietnam | Hard | Ayami Takase | Yan Zi Zheng Jie | 1–6, 6–1, 2–6 |
| Loss | 6. | 23 June 2002 | ITF Montreal, Canada | Hard | Kaori Aoyama | Mélanie Marois Michelle Faucher | 3–6, 6–3, 1–6 |
| Win | 5. | 20 October 2002 | ITF Haibara, Japan | Carpet | Yuka Yoshida | Haruka Inoue Maiko Inoue | 6–0, 6–2 |
| Win | 6. | 1 December 2002 | ITF Nonthaburi, Thailand | Hard | Ivana Abramović | Amanda Augustus Debby Haak | 6–2, 6–1 |
| Win | 7. | 1 June 2003 | ITF Houston, United States | Hard (i) | Seiko Okamoto | Yvonne Doyle Nicole Rencken | 5–7, 6–4, 6–3 |
| Loss | 7. | 30 May 2004 | ITF Seoul, South Korea | Hard | Shiho Hisamatsu | Choi Jin-young Kim Mi-ok | 6–4, 1–6, 1–6 |
| Loss | 8. | 3 July 2004 | ITF Inchon, South Korea | Hard | Maki Arai | Lee Jin-a Yoo Soo-mi | 2–6, 6–4, 4–6 |
| Win | 8. | 7 September 2004 | ITF Ibaraki, Japan | Hard | Maki Arai | Rika Fujiwara Shiho Hisamatsu | 6–1, 5–7, 6–2 |
| Win | 9. | 29 May 2005 | ITF Shanghai, China | Hard | Chuang Chia-jung | Liu Wanting Sun Shengnan | 4–6, 6–4, 6–1 |
| Loss | 9. | 28 May 2006 | ITF Nagano, Japan | Carpet | Tomoko Yonemura | Kumiko Iijima Junri Namigata | 3–6, 6–7(3) |
| Loss | 10. | 6 August 2006 | ITF Tokachi, Japan | Carpet | Shiho Hisamatsu | Kumiko Iijima Junri Namigata | 5–7, 4–6 |
| Loss | 11. | 10 March 2008 | ITF Kalgoorlie, Australia | Hard | Natsumi Hamamura | Li Ting Zhou Yimiao | 1–6, 6–4, 8–10 |
| Loss | 12. | 31 March 2008 | ITF Pelham, United States | Clay | Lee Ye-ra | Michaela Paštiková Ahsha Rolle | 5–7, 2–6 |
| Win | 10. | 23 June 2008 | ITF Qianshan, China | Hard | Natsumi Hamamura | Yuka Kuroda Tomoko Sugano | 6–4, 6–0 |
| Win | 11. | 12 September 2008 | ITF Rockhampton, Australia | Hard | Zhou Yimiao | Michaela Johansson Jarmila Gajdošová | 7–6(2), 6–4 |
| Loss | 13. | 19 July 2010 | ITF Nonthaburi, Thailand | Hard | Kim So-jung | Akiko Yonemura Tomoko Yonemura | 2–6, 4–6 |
| Loss | 14. | ITF Port Pirie, Australia | Clay | Melanie South | Bojana Bobusic Alenka Hubacek | 3–6, 2–6 | |
| Loss | 15. | 12 November 2010 | ITF Esperance, Australia | Hard | Chiaki Okadaue | Jessica Moore Daniella Jeflea | 6–7(5), 3–6 |
| Loss | 16. | 6 February 2011 | ITF Rancho Santa Fe, United States | Hard | Shuko Aoyama | Julie Ditty Mervana Jugić-Salkić | 0–6, 2–6 |
| Win | 12. | 20 February 2011 | ITF Surprise, United States | Hard | Shuko Aoyama | Mervana Jugić-Salkić Tetiana Luzhanska | 6–3, 6–1 |
| Win | 13. | 4 June 2011 | ITF Gimcheon, South Korea | Hard | Chan Hao-ching | Kim Ji-young Yoo Mi | 7–5, 6–4 |
| Loss | 17. | 8 October 2011 | Kōfu International Open, Japan | Hard | Akiko Yonemura | Chan Chin-wei Hsu Wen-hsin | 3–6, 4–6 |
| Loss | 18. | 25 March 2012 | ITF Kofu, Japan | Hard | Eri Hozumi | Ayumi Oka Kotomi Takahata | 4–6, 7–5, 3–10 |
| Win | 14. | 1 April 2012 | ITF Nishitama, Japan | Hard | Eri Hozumi | Kazusa Ito Yuka Mori | 6–4, 6–7, 10–7 |
| Loss | 19. | 10 August 2012 | Bursa Cup, Turkey | Clay | Erika Takao | Melanie Klaffner Laura Ioana Paar | 2–6, 2–6 |
| Win | 15. | 18 August 2012 | ITF İstanbul, Turkey | Hard | Erika Takao | Nicha Lertpitaksinchai Peangtarn Plipuech | 2–6, 7–6, 10–3 |
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