Kōfu International Open

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.

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

Past finals

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Women's singles

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

Women's doubles

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Year Champions Runners-up Score
2024   Erina Hayashi
  Saki Imamura
  Rutuja Bhosale
  Ankita Raina
6–3, 7–5
2023   Han Na-lae
  Jang Su-jeong
  Georgina García Pérez
  Eri Hozumi
6–0, 6–4
2020–22
cancelled due to the COVID-19 pandemic
2019   Chang Kai-chen
  Hsu Ching-wen
  Emina Bektas
  Tara Moore
6–1, 6–3
2018   Gao Xinyu
  Luksika Kumkhum
  Erina Hayashi
  Momoko Kobori
6–0, 2–6, [10–4]
2017   Han Na-lae
  Luksika Kumkhum
  Erina Hayashi
  Robu Kajitani
6–3, 6–0
2016   Shuko Aoyama
  Erina Hayashi
  Kanae Hisami
  Kotomi Takahata
7–5, 7–5
2015   Haruka Kaji
  Aiko Yoshitomi
  Rika Fujiwara
  Akari Inoue
6–2, 6–3
2014   Nagi Hanatani
  Hikari Yamamoto
  Riko Fujioka
  Hayaka Murase
3–6, 6–2, [10–7]
2013   Akari Inoue
  Hiroko Kuwata
  Han Na-lae
  Yang Zi
3–6, 7–5, [10–7]
2012   Ayumi Oka
  Kotomi Takahata
  Eri Hozumi
  Remi Tezuka
6–4, 5–7, [10–3]
2011   Chan Chin-wei
  Hsu Wen-hsin
  Remi Tezuka
  Akiko Yonemura
6–3, 6–4
2010   Maki Arai
  Seiko Okamoto
  Shiho Hisamatsu
  Maiko Inoue
6–4, 6–4
2009   Shuko Aoyama
  Akari Inoue
  Maki Arai
  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   Jumpei Yamasaki   Sho Shimabukuro 7–6(7–5), 6–3
2018   Hong Seong-chan   Makoto Ochi 7–6(7–2), 6–1
2017   Takuto Niki   Shane Vinsant 6–4, 4–0 ret.
2016   Lee Duck-hee   Yuya Kibi 6–2, 6–3
2015   Lim Yong-kyu   Yasutaka Uchiyama 7–6(8–6), 6–3
2014   Takuto Niki   Yusuke Watanuki 6–4, 6–2
2013   Chang Yu   Nam Hyun-woo 6–2, 6–1
2012   Hiroki Moriya   Yasutaka Uchiyama 6–1, 6–4
2011 Not held
2010   Go Soeda   Yi Chu-huan 6–3, 6–4
2009   An Jae-sung   Yūchi Sugita 5–7, 6–4, 7–6(7–5)
2008   Yaoki Ishii   Daniel King-Turner 6–7(2–7), 6–3, 6–4
2007   Kwon Hyung-tae   An Jae-sung 7–5, 6–1
2006   Jun Woong-sun   Tetsuya Chaen 7–6(7–4), 7–5
2005   Satoshi Iwabuchi   Im Kyu-tae 6–2, 7–6(8–6)
2004   Michihisa Onoda   Kentaro Masuda 6–3, 7–5
2003   Takahiro Terachi   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   Hiroyasu Ehara
  Sho Katayama
  Blake Ellis
  Michael Look
6–2, 6–4
2018   Hiroyasu Ehara
  Sho Katayama
  Seol Jae-min
  Song Min-kyu
7–5, 7–6(7–5)
2017   Katsuki Nagao
  Hiromasa Oku
  Yuichi Ito
  Jumpei Yamasaki
6–4, 6–7(4–7), [10–3]
2016   Shintaro Imai
  Takuto Niki
  Yuya Kibi
  Toshihide Matsui
6–1, 6–2
2015   Gao Xin
  Li Zhe
  Takashi Saito
  Yusuke Watanuki
6–0, 6–7(4–7), [10–1]
2014   Takuto Niki
  Arata Onozawa
  Toshihide Matsui
  Danai Udomchoke
6–4, 6–2
2013   Hiroki Kondo
  Kento Takeuchi
  Chang Yu
  Kim Cheong-eui
6–1, 3–6, [10–7]
2012   Peng Hsien-yin
  Bumpei Sato
  Chang Yu
  Gao Xin
6–3, 5–7, [10–6]
2011 Not held
2010   Tasuku Iwami
  Hiroki Kondo
  Mikal Statham
  Maciek Sykut
6–2, 6–3
2009   Yang Tsung-hua
  Yi Chu-huan
  Yuya Kibi
  Tomohiro Shinokawa
6–1, 6–0
2008   Gong Maoxin
  Li Zhe
  G.D. Jones
  Daniel King-Turner
6–1, 7–5
2007   Akito Higa
  Tomohiro Shinokawa
  An Jae-sung
  Daniel Yoo
3–6, 6–4, 6–4
2006   Jun Woong-sun
  Kim Sun-yong
  Minh Le
  Hiroyasu Sato
6–2, 7–6(7–4)
2005   Im Kyu-tae
  Kwon Oh-hee
  Mark Nielsen
  Hiroyasu Sato
4–6, 7–6(7–3), 6–3
2004   Scott Lipsky
  David Martin
  Mark Nielsen
  Michihisa Onoda
2–6, 7–5, 7–6(8–6)
2003   Robert Cheyne
  Mark Nielsen
  Katsushi Fukuda
  Michael Ryderstedt
4–6, 6–4, 6–3
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