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Tennis tournament
Kōfu International Open Event name Kōfu International Open Location
Kōfu , Japan Venue Yamanashi Gakuin Yokone Tennis Center Surface
Hard Website
kofuopen.estclub.co.jp
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.
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
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
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
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]
Year
Champion
Runner-up
Score
2020
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
Year
Champions
Runners-up
Score
2020
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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