Kirin Open
The Kirin Open was a golf tournament on the Japan Golf Tour from 1974 to 2001. From 1977, it was played at the Ibaraki Golf Club in Ibaraki.
Winners
Asia Pacific Open Golf Championship Kirin Open
- 2001 Shingo Katayama
- 2000 Shingo Katayama
Kirin Open
- 1999 K.J. Choi
- 1998 Frankie Miñoza
- 1997 Jong-Duck Kim
- 1996 Yoshinori Kaneko
Dunlop Open
- 1995 Peter Senior
- 1994 Masashi Ozaki
- 1993 Hajime Meshiai
- 1992 Masashi Ozaki
- 1991 Roger Mackay
- 1990 Frankie Miñoza
- 1989 Terry Gale
- 1988 Masashi Ozaki
Dunlop International Open
- 1987 Isao Aoki
- 1986 Hideto Shigenobu
- 1985 Tze-Chung Chen
- 1984 John Jacobs
- 1983 Larry Nelson
- 1982 Tsuneyuki Nakajima
- 1981 Kosaku Shimada
- 1980 Masashi Ozaki
- 1979 Hiroshi Ishii
- 1978 Kuo Chie-Hsiung
- 1977 Ben Arda
Sobu International Open
- 1976 Ben Arda
- 1975 Teruo Sugihara
- 1974 Lu Liang-Huan