Year |
Tour(s) |
Winner |
Score |
To par |
Margin of victory |
Runner(s)-up |
Ref.
|
ACN Championship
|
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, JPN
|
Cancelled 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 stokes |
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 |
|
|
|
|
|