Seiko Okamoto
岡本 聖子

Country (sports)	Japan
Born	(1978-03-14) 14 March 1978 Tokyo
Turned pro	2000
Retired	2010
Plays	Right-handed
Prize money	$207,531
Singles
Career record	264–264 (50.0%)
Career titles	2 ITF
Highest ranking	No. 178 (16 January 2006)
Grand Slam singles results
Australian Open	Q2 (2008)
French Open	Q1 (2006)
Wimbledon	Q3 (2005)
US Open	Q2 (2005)
Doubles
Career record	223–166 (57.3%)
Career titles	1 WTA, 15 ITF
Highest ranking	No. 123 (1 November 2004)
Grand Slam doubles results
Australian Open	1R (2004, 2005)

Seiko Okamoto (岡本 聖子, Okamoto Seiko) (born 14 March 1978) is a Japanese former professional tennis player.

Okamoto took part in the 2006 Bangalore Open but lost in the first round of singles qualifying, and the first round of doubles, alongside Ryōko Fuda. She has stated that her favorite surface to play on is hardcourt.

In her career, Okamoto won one doubles title on the WTA Tour, as well as two singles and 15 doubles titles on the ITF Women's Circuit.

WTA career finals

Doubles: 1 (1 title)

Result	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	16 January 2004	Hobart International, Australia	Tier V	Hard	Shinobu Asagoe	Els Callens Barbara Schett	2–6, 6–4, 6–3

ITF Circuit finals

Singles: 10 (2–8)

Outcome	No.	Date	Tournament	Surface	Opponent	Score
Winner	1.	20 November 2000	Kōfu Open, Japan	Carpet	Keiko Taguchi	4–1, 1–3, 4–1
Runner-up	2.	22 July 2002	ITF Incheon, South Korea	Hard	Kim Mi-ok	6–4, 3–6, 4–6
Runner-up	3.	19 October 2003	ITF Haibara, Japan	Hard	Yuka Yoshida	1–6, 4–6
Runner-up	4.	13 May 2004	ITF Beijing, China	Hard	Li Na	4–6, 4–6
Runner-up	5.	27 February 2005	ITF Taipei, Taiwan	Hard	Latisha Chan	3–6, 2–6
Runner-up	6.	28 May 2005	ITF Nagano, Japan	Carpet	Mayumi Yamamoto	2–6, 2–6
Runner-up	7.	5 June 2005	ITF Gunma, Japan	Carpet	Hsieh Su-wei	1–6, 2–6
Runner-up	8.	29 October 2006	ITF Hamanako, Japan	Carpet	Shiho Hisamatsu	2–6, 4–6
Winner	9.	15 April 2007	ITF Ho Chi Minh City, Vietnam	Hard	Erika Takao	6–1, 6–2
Runner-up	10.	21 October 2007	ITF Makinohara, Japan	Carpet	Akiko Yonemura	3–6, 4–6

Doubles: 33 (15–18)

Outcome	No.	Date	Tournament	Surface	Partner	Opponents	Score
Runner-up	1.	23 November 1998	ITF Nagasaki, Japan	Grass	Keiko Taguchi	Akiko Gunji Keiko Ishida	2–6, 2–6
Winner	2.	6 June 1999	ITF Little Rock, United States	Hard	Keiko Taguchi	Chang Kyung-mi Chae Kyung-yee	7–5, 6–2
Winner	3.	28 November 1999	ITF Kōfu, Japan	Carpet	Keiko Taguchi	Remi Tezuka Maki Arai	7–6, 0–6, 7–5
Winner	4.	13 November 2000	ITF Haibara, Japan	Clay	Keiko Taguchi	Akiko Gunji Keiko Ishida	2–4, 4–0, 5–3, 3–5, 4–2
Winner	5.	20 November 2000	ITF Kōfu, Japan	Carpet	Keiko Taguchi	Kumiko Iijima Maki Arai	3–5, 4–1, 5–4, 4–1
Winner	6.	3 September 2001	ITF Kugayama, Japan	Hard	Nami Urabe	Melissa Dowse Samantha Stosur	6–4, 2–6, 6–1
Runner-up	7.	26 September 2001	ITF Kyoto, Japan	Hard	Nami Urabe	Melissa Dowse Samantha Stosur	3–6, 6–3, 2–6
Runner-up	8.	10 February 2002	ITF Faro, Portugal	Hard	Satomi Kinjo	Remi Tezuka Maki Arai	5–7, 7–6, 2–6
Winner	9.	30 June 2002	ITF Lachine, Canada	Hard	Shizu Katsumi	Adria Engel Kristina Kraszewski	w/o
Winner	10.	21 July 2002	ITF Seoul, South Korea	Hard	Maki Arai	Chang Kyung-mi Chae Kyung-yee	6–3, 5–7, 6–4
Runner-up	11.	20 April 2003	ITF Ho Chi Minh City, Vietnam	Hard	Shiho Hisamatsu	Choi Jin-young Kim Mi-ok	1–6, 2–6
Winner	12.	1 June 2003	ITF Houston, United States	Hard (i)	Remi Tezuka	Yvonne Doyle Nicole Rencken	5–7, 6–4, 6–3
Runner-up	13.	2 November 2003	ITF Beijing, China	Hard	Jeon Mi-ra	Yang Shujing Yu Ying	4–6, 2–6
Runner-up	14.	10 May 2004	ITF Karuizawa, Japan	Carpet	Ryōko Fuda	Rika Fujiwara Jeon Mi-ra	2–6, 6–2, 6–7
Winner	15.	11 July 2004	ITF College Park, United States	Hard	Shiho Hisamatsu	Natallia Dziamidzenka Kaysie Smashey	7–6(5), 6–2
Runner-up	16.	21 February 2005	ITF Taipei, Taiwan	Hard	Ryōko Fuda	Chuang Chia-jung Hsieh Su-wei	3–6, 2–6
Winner	17.	1 May 2005	ITF Hamanako, Japan	Hard	Ryōko Fuda	Shiho Hisamatsu Ayami Takase	7–5, 6–4
Runner-up	18.	8 May 2005	Kangaroo Cup, Japan	Carpet	Ryōko Fuda	Rika Fujiwara Saori Obata	1–6, 2–6
Winner	19.	14 May 2005	Fukuoka International, Japan	Carpet	Ryōko Fuda	Latisha Chan Chuang Chia-jung	6–2, 7–6
Winner	20.	22 May 2005	ITF Changwon, South Korea	Hard	Chuang Chia-jung	Chan Chin-wei Hsieh Su-wei	6–2, 7–5
Runner-up	21.	23 October 2005	ITF Makinohara, Japan	Carpet	Ayami Takase	Ryoko Takemura Tomoko Yonemura	4–6, 3–6
Runner-up	22.	6 November 2005	ITF Busan, Korea	Hard	Ayami Takase	Julia Efremova Wynne Prakusya	4–6, 7–6(6), 1–6
Runner-up	23.	11 April 2006	ITF Jackson, United States	Clay	Ayami Takase	Maria Kondratieva Sophie Lefèvre	0–6, 3–6
Runner-up	24.	9 July 2006	ITF Nagoya, Japan	Hard	Ayami Takase	Chuang Chia-jung Shiho Hisamatsu	2–6, 3–6
Runner-up	25.	16 July 2006	ITF Miyazaki, Japan	Hard	Ayami Takase	Maki Arai Kumiko Iijima	2–6, 3–6
Runner-up	26.	23 July 2006	Kurume Cup, Japan	Carpet	Ayami Takase	Latisha Chan Chuang Chia-jung	w/o
Runner-up	27.	28 October 2006	ITF Hamanako, Japan	Carpet	Maki Arai	Chuang Chia-jung Hsieh Su-wei	6–7(2), 5–7
Winner	28.	5 November 2006	ITF Sutama, Japan	Clay	Maki Arai	Ryoko Takemura Mari Tanaka	6–2, 6–3
Winner	29.	19 February 2007	ITF Clearwater, United States	Hard	Ryōko Fuda	Mervana Jugić-Salkić Antonella Serra Zanetti	5–7, 6–3, 6–4
Runner-up	30.	9 April 2007	ITF Ho Chi Minh City, Vietnam	Hard	Kumiko Iijima	Han Xinyun Hao Jie	2–6, 6–1, 3–6
Runner-up	31.	6 May 2007	ITF Gifu, Japan	Carpet	Kumiko Iijima	Ayumi Morita Ai Sugiyama	1–6, 6–3, 0–6
Runner-up	32.	18 February 2008	ITF Clearwater, United States	Hard	Chan Chin-wei	Anna Fitzpatrick Ana Veselinović	2–6, 6–3, [6–10]
Winner	33.	26 March 2010	ITF Kōfu, Japan	Hard	Maki Arai	Shiho Hisamatsu Maiko Inoue	6–4, 6–4

References

• Seiko Okamoto at the Women's Tennis Association
• Seiko Okamoto at the International Tennis Federation