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Kōfu International Open

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Kōfu International Open
Tournament information
Event nameKōfu International Open
LocationKōfu, Japan
VenueYamanashi Gakuin Yokone Tennis Center
SurfaceHard
Websitekofuopen.estclub.co.jp
ATP Tour
CategoryITF Men's Circuit
Draw32S / 32Q / 16D
Prize money$15,000
WTA Tour
CategoryITF Women's Circuit
Draw32S / 32Q / 16D
Prize money$40,000

The Kōfu International Open is a tournament for professional female tennis players on outdoor hardcourts. The event is classified as a $40,000 ITF Women's Circuit. It had been held in Kōfu, Japan, since 2003. In 2011, it was a $50k women's event.

Past finals

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Women's singles

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Year Champion Runner-up Score
2024 United States Catherine Harrison Chinese Taipei Lee Ya-hsuan 6–7(8–10), 6–1, 6–1
2023 South Korea Jang Su-jeong South Korea Han Na-lae 2–6, 6–3, 6–2
2020–22
cancelled due to the COVID-19 pandemic
2019 Chinese Taipei Lee Hua-chen Germany Stephanie Wagner 6–7(4–7), 6–3, 6–4
2018 Thailand Luksika Kumkhum Canada Bianca Andreescu 6–3, 6–3
2017 Japan Mayo Hibi South Korea Han Na-lae 5–7, 6–3, 6–2
2016 Sweden Susanne Celik China Zhu Lin 7–6(7–3), 6–3
2015 Japan Miki Miyamura Japan Aiko Yoshitomi 6–4, 6–2
2014 Japan Chiaki Okadaue Japan Mana Ayukawa 3–6, 7–6(9–7), 6–2
2013 Japan Yuuki Tanaka Japan Hiroko Kuwata 6–3, 6–1
2012 Japan Hiroko Kuwata China Liu Fangzhou 6–4, 4–6, 7–6(9–7)
2011 Chinese Taipei Chang Kai-chen Luxembourg Mandy Minella 6–4, 1–6, 6–4
2010 Japan Sachie Ishizu Japan Akiko Yonemura 1–6, 6–1, 6–0
2009 Japan Misaki Doi Japan Erika Sema 7–5, 6–2

Women's doubles

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Year Champions Runners-up Score
2024 Japan Erina Hayashi
Japan Saki Imamura
India Rutuja Bhosale
India Ankita Raina
6–3, 7–5
2023 South Korea Han Na-lae
South Korea Jang Su-jeong
Spain Georgina García Pérez
Japan Eri Hozumi
6–0, 6–4
2020–22
cancelled due to the COVID-19 pandemic
2019 Chinese Taipei Chang Kai-chen
Chinese Taipei Hsu Ching-wen
United States Emina Bektas
United Kingdom Tara Moore
6–1, 6–3
2018 China Gao Xinyu
Thailand Luksika Kumkhum
Japan Erina Hayashi
Japan Momoko Kobori
6–0, 2–6, [10–4]
2017 South Korea Han Na-lae
Thailand Luksika Kumkhum
Japan Erina Hayashi
Japan Robu Kajitani
6–3, 6–0
2016 Japan Shuko Aoyama
Japan Erina Hayashi
Japan Kanae Hisami
Japan Kotomi Takahata
7–5, 7–5
2015 Japan Haruka Kaji
Japan Aiko Yoshitomi
Japan Rika Fujiwara
Japan Akari Inoue
6–2, 6–3
2014 Japan Nagi Hanatani
Japan Hikari Yamamoto
Japan Riko Fujioka
Japan Hayaka Murase
3–6, 6–2, [10–7]
2013 Japan Akari Inoue
Japan Hiroko Kuwata
South Korea Han Na-lae
China Yang Zi
3–6, 7–5, [10–7]
2012 Japan Ayumi Oka
Japan Kotomi Takahata
Japan Eri Hozumi
Japan Remi Tezuka
6–4, 5–7, [10–3]
2011 Chinese Taipei Chan Chin-wei
Chinese Taipei Hsu Wen-hsin
Japan Remi Tezuka
Japan Akiko Yonemura
6–3, 6–4
2010 Japan Maki Arai
Japan Seiko Okamoto
Japan Shiho Hisamatsu
Japan Maiko Inoue
6–4, 6–4
2009 Japan Shuko Aoyama
Japan Akari Inoue
Japan Maki Arai
Japan Miki Miyamura
7–5, 3–6, [10–8]

Men's singles

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Year Champion Runner-up Score
2020
cancelled due to the COVID-19 pandemic
2019 Japan Jumpei Yamasaki Japan Sho Shimabukuro 7–6(7–5), 6–3
2018 South Korea Hong Seong-chan Japan Makoto Ochi 7–6(7–2), 6–1
2017 Japan Takuto Niki United States Shane Vinsant 6–4, 4–0 ret.
2016 South Korea Lee Duck-hee Japan Yuya Kibi 6–2, 6–3
2015 South Korea Lim Yong-kyu Japan Yasutaka Uchiyama 7–6(8–6), 6–3
2014 Japan Takuto Niki Japan Yusuke Watanuki 6–4, 6–2
2013 China Chang Yu South Korea Nam Hyun-woo 6–2, 6–1
2012 Japan Hiroki Moriya Japan Yasutaka Uchiyama 6–1, 6–4
2011 Not held
2010 Japan Go Soeda Chinese Taipei Yi Chu-huan 6–3, 6–4
2009 South Korea An Jae-sung Japan Yūchi Sugita 5–7, 6–4, 7–6(7–5)
2008 Japan Yaoki Ishii New Zealand Daniel King-Turner 6–7(2–7), 6–3, 6–4
2007 South Korea Kwon Hyung-tae South Korea An Jae-sung 7–5, 6–1
2006 South Korea Jun Woong-sun Japan Tetsuya Chaen 7–6(7–4), 7–5
2005 Japan Satoshi Iwabuchi South Korea Im Kyu-tae 6–2, 7–6(8–6)
2004 Japan Michihisa Onoda Japan Kentaro Masuda 6–3, 7–5
2003 Japan Takahiro Terachi Japan Kentaro Masuda 6–2, 6–2

Men's doubles

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Year Champions Runners-up Score
2020
cancelled due to the COVID-19 pandemic
2019 Japan Hiroyasu Ehara
Japan Sho Katayama
Australia Blake Ellis
Australia Michael Look
6–2, 6–4
2018 Japan Hiroyasu Ehara
Japan Sho Katayama
South Korea Seol Jae-min
South Korea Song Min-kyu
7–5, 7–6(7–5)
2017 Japan Katsuki Nagao
Japan Hiromasa Oku
Japan Yuichi Ito
Japan Jumpei Yamasaki
6–4, 6–7(4–7), [10–3]
2016 Japan Shintaro Imai
Japan Takuto Niki
Japan Yuya Kibi
Japan Toshihide Matsui
6–1, 6–2
2015 China Gao Xin
China Li Zhe
Japan Takashi Saito
Japan Yusuke Watanuki
6–0, 6–7(4–7), [10–1]
2014 Japan Takuto Niki
Japan Arata Onozawa
Japan Toshihide Matsui
Thailand Danai Udomchoke
6–4, 6–2
2013 Japan Hiroki Kondo
Japan Kento Takeuchi
China Chang Yu
South Korea Kim Cheong-eui
6–1, 3–6, [10–7]
2012 Chinese Taipei Peng Hsien-yin
Japan Bumpei Sato
China Chang Yu
China Gao Xin
6–3, 5–7, [10–6]
2011 Not held
2010 Japan Tasuku Iwami
Japan Hiroki Kondo
New Zealand Mikal Statham
United States Maciek Sykut
6–2, 6–3
2009 Chinese Taipei Yang Tsung-hua
Chinese Taipei Yi Chu-huan
Japan Yuya Kibi
Japan Tomohiro Shinokawa
6–1, 6–0
2008 China Gong Maoxin
China Li Zhe
New Zealand G.D. Jones
New Zealand Daniel King-Turner
6–1, 7–5
2007 Japan Akito Higa
Japan Tomohiro Shinokawa
South Korea An Jae-sung
South Korea Daniel Yoo
3–6, 6–4, 6–4
2006 South Korea Jun Woong-sun
South Korea Kim Sun-yong
United States Minh Le
Japan Hiroyasu Sato
6–2, 7–6(7–4)
2005 South Korea Im Kyu-tae
South Korea Kwon Oh-hee
New Zealand Mark Nielsen
Japan Hiroyasu Sato
4–6, 7–6(7–3), 6–3
2004 United States Scott Lipsky
United States David Martin
New Zealand Mark Nielsen
Japan Michihisa Onoda
2–6, 7–5, 7–6(8–6)
2003 New Zealand Robert Cheyne
New Zealand Mark Nielsen
Japan Katsushi Fukuda
Sweden Michael Ryderstedt
4–6, 6–4, 6–3
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