The is a professional golf tournament on the Japan Golf Tour. Founded in 1969, the event has been hosted at different courses throughout Japan, including on all four major islands. In 2022, the purse was ¥100,000,000, with ¥20,000,000 going to the winner. From 2014 to 2019 the tournament was co-sanctioned by the Asian Tour.
Winners YearTour(s)WinnerScoreTo parMargin ofvictoryRunner(s)-upACN Championship 2025 JPN Yuta Suigura 200 −13 3 strokes Shu Fukuzumi Shugo Imahira Naoyuki Kataoka Takashi Ogiso Tatsunori Shogenji 2024 JPN Takumi Kanaya 264 −20 Playoff Ryu Hyun-woo 2023 JPN Yuki Inamori 271 −17 Playoff Song Young-han Asia Pacific Open Golf Championship Diamond Cup 2022 ASA, JPN Shugo Imahira 272 −8 1 stroke Hiroshi Iwata Yuto Katsuragawa Kaito Onishi Kosuke Suzuki (a) Asia-Pacific Diamond Cup Golf 2021 JPN Rikuya Hoshino 275 −13 4 strokes Juvic Pagunsan 2020 ASA, JPNCancelled due to the COVID-19 pandemic 2019 ASA, JPN Yosuke Asaji 281 −3 1 stroke Micah Lauren Shin Ren Yonezawa (a) 2018 ASA, JPN Yuta Ikeda 269 −15 6 strokes Justin Harding 2017 ASA, JPN Daisuke Kataoka 272 −12 2 strokes Poom Saksansin Tadahiro Takayama 2016 ASA, JPN Chan Shih-chang 270 −10 2 strokes Ippei Koike 2015 ASA, JPN Kim Kyung-tae (2) 271 −9 3 strokes Yuta Ikeda Toshinori Muto 2014 ASA, JPN Hiroyuki Fujita 278 −6 2 strokes Kiradech Aphibarnrat Hur Suk-ho Jason Knutzon Diamond Cup Golf 2013 JPN Hideki Matsuyama 279 −9 2 strokes Brad Kennedy Kim Hyung-sung Park Sung-joon 2012 JPN Hiroyuki Fujita 274 −14 3 strokes Kiradech Aphibarnrat 2011 JPN Koumei Oda 272 −16 4 strokes Toshinori Muto Kaname Yokoo 2010 JPN Kim Kyung-tae 272 −16 2 strokes Koumei Oda Mitsubishi Diamond Cup Golf 2009 JPN Takashi Kanemoto 283 −5 Playoff Brendan Jones 2008 JPN Prayad Marksaeng 274 −10 1 stroke Shintaro Kai 2007 JPN Tetsuji Hiratsuka (2) 282 −2 1 stroke Satoru Hirota Kiyoshi Miyazato 2006 JPN Kaname Yokoo 275 −9 2 strokes Nozomi Kawahara Toru Suzuki 2005 JPN Jang Ik-jae 275 −5 3 strokes Shingo Katayama Ryoken Kawagishi 2004 JPN Tetsuji Hiratsuka 275 −13 5 strokes Hidemasa Hoshino Diamond Cup Tournament 2003 JPN Todd Hamilton 276 −12 3 strokes Steven Conran 2002 JPN Tsuneyuki Nakajima (4) 269 −19 2 strokes Tomohiro Kondo Hirofumi Miyase Christian Peña 2001 JPN Toshimitsu Izawa 277 −11 Playoff Hiroyuki Fujita Yuji Igarashi Mitsubishi Motors Tournament 2000 JPN Hirofumi Miyase 276 −8 Playoff Toru Taniguchi 1999 JPN Tsuyoshi Yoneyama 268 −16 Playoff Kazuhiko Hosokawa Mitsubishi Galant Tournament 1998 JPN Toru Taniguchi 268 −16 1 stroke Kazuhiko Hosokawa 1997 JPN Masashi Ozaki (2) 278 −10 2 strokes Satoshi Higashi Kōki Idoki Tōru Nakamura 1996 JPN Masashi Ozaki 279 −9 Playoff Todd Hamilton 1995 JPN Brandt Jobe 266 −26 6 strokes Masahiro Kuramoto 1994 JPN Katsuyoshi Tomori 205 −11 6 strokes Tsuneyuki Nakajima 1993 JPN Chen Tze-chung 277 −11 4 strokes Brian Jones Yoshi Mizumaki Tateo Ozaki 1992 JPN Isao Aoki (2) 277 −11 4 strokes Chen Tze-chung Saburo Fujiki 1991 JPN Koichi Suzuki 280 −8 1 stroke Isao Aoki Tsuneyuki Nakajima 1990 JPN Isao Aoki 289 +1 3 strokes Masashi Ozaki Teruo Sugihara Tsuyoshi Yoneyama 1989 JPN Tateo Ozaki 284 −4 2 strokes Masanobu Kimura 1988 JPN Brian Jones (3) 271 −17 Playoff Naomichi Ozaki 1987 JPN Brian Jones (2) 283 −5 3 strokes Nobuo Serizawa Koichi Suzuki 1986 JPN Tsuneyuki Nakajima (3) 280 −8 1 stroke Chen Tze-ming 1985 JPN Brian Jones 272 −12 Playoff Nobumitsu Yuhara 1984 JPN Haruo Yasuda (2) 275 −13 4 strokes Kouichi Inoue Yoshitaka Yamamoto 1983 JPN Tsuneyuki Nakajima (2) 278 −10 6 strokes Lu Hsi-chuen 1982 JPN Graham Marsh (3) 271 −13 Playoff Teruo Sugihara 1981 JPN Lu Hsi-chuen 289 +1 Playoff Tōru Nakamura Teruo Sugihara 1980 JPN Tsuneyuki Nakajima 276 −12 4 strokes Yoshihisa Iwashita Graham Marsh 1979 JPN Tōru Nakamura (2) 285 −3 1 stroke Yoshio Kusayanagi 1978 JPN Tōru Nakamura 280 −8 1 stroke Hsu Sheng-san Norio Suzuki 1977 JPN Hsu Sheng-san 277 −11 3 strokes Takaaki Kono Graham Marsh Teruo Sugihara Dunlop Tournament 1976 JPN Yoshikazu Yokoshima 274 −14 2 strokes Isao Aoki 1975 JPN Norio Suzuki 278 −10 2 strokes Mya Aye 1974 JPN Graham Marsh (2) 272 −16 3 strokes Masashi Ozaki Teruo Sugihara 1973 JPN Ben Arda 280 −8 4 strokes Masashi Ozaki 1972 Graham Marsh 271 −17 5 strokes Ben Arda 1971 Peter Thomson 280 −8 1 stroke Haruo Yasuda 1970 Haruo Yasuda 137 −7 2 strokes Fujio Ishii Takashi Murakami 1969 Takaaki Kono
Notes
References
External links Coverage on Japan Golf Tour's official site Coverage on Asian Tour's official site Tournament's site