| Year |
Result |
| 2024 |
Bend North 6, Murrayhill (Beaverton) 3 |
| 2023 |
Murrayhill (Beaverton) 5, Klamath Falls 1 |
| 2022 |
Bend North 6, Murrayhill (Beaverton) 1 |
| 2021 |
Lake Oswego 6, Hollywood/Rose City (Portland) 2 |
| 2020 |
International tournament not held due to Covid-19 pandemic |
| 2019 |
Sprague (Salem) 9, Murrayhill (Beaverton) 8 |
| 2018 |
Murrayhill (Beaverton) 5, Del Norte (Crescent City, California) 3 |
| 2017 |
LaGrande 10, Beaverton Aloha 3 |
| 2016 |
Bend North 8, LaGrande 2 |
| 2015 |
Wilshire/Riverside (Portland) 14, Bend South 2 |
| 2014 |
Bend North 14, Gresham 4 |
| 2013 |
Lake Oswego 7, Klamath Falls American 0 |
| 2012 |
Gresham National 10, Sprague 0 (4 innings) |
| 2011 |
Bend South 14, Ashland 1 (4 innings) |
| 2010 |
Murrayhill (Beaverton) 6, Hood River 2 |
| 2009 |
Parrish (Salem) 5, Reynolds (Portland) 4 |
| 2008 |
Murrayhill (Beaverton) 9, South Suburban (Klamath Falls) 1 |
| 2007 |
Lake Oswego 7, Pendleton 0 |
| 2006 |
Murrayhill (Beaverton) 9, Pendleton 3 |
| 2005 |
Murrayhill (Beaverton) 18, Corvallis American 7 (4 innings) |
| 2004 |
Murrayhill (Beaverton) 9, Pendleton 2 |
| 2003 |
Murrayhill (Beaverton) 3, Gresham National 0 |
| 2002 |
Parrish (Salem) 3, Murrayhill (Beaverton) 2 |
| 2001 |
West Salem 1, Pendleton 0 |
| 2000 |
Medford American 6, Gresham National 5 |
| 1999 |
Murrayhill (Beaverton) d. Baker City |
| 1998 |
Murrayhill (Beaverton) 3, Medford American Red 0 |
| 1997 |
Gresham National 2, Lake Oswego 1 |
| 1996 |
Murrayhill (Beaverton) 1, The Dalles National 0 |
| 1995 |
Murrayhill (Beaverton) 5, Gresham National 1 |
| 1994 |
Clackamas 11, Redmond 0 |
| 1993 |
Murrayhill (Beaverton) 14, West Salem 5 |
| 1992 |
Raleigh Hills (Beaverton) 7, South Suburban (Klamath Falls) 3 |
| 1991 |
Medford American 6, Judson (Salem) 3 |
| 1990 |
Portsmouth 16, Hermiston 0 |
| 1989 |
Gresham Centennial 16, Redmond 2 |
| 1988 |
Medford American 4, Parrish (Salem) 0 |
| 1987 |
Central Point d. Hood River |
| 1986 |
South Suburban (Klamath Falls) d. Keizer |
| 1985 |
Raleigh Hills (Beaverton) 6, Keizer 4 |
| 1984 |
Raleigh Hills (Beaverton) 15, Roseburg 3 |
| 1983 |
Raleigh Hills (Beaverton) 4, Keizer 2 |
| 1982 |
Hood River 5, Waluga 2 |
| 1981 |
Meadowland (Portland) 9, Tigard 1 |
| 1980 |
Meadowland (Portland) 6, Lakeside 2 |
| 1979 |
Mount Hood 2, Judson (Salem) 1 |
| 1978 |
Gresham 8, The Dalles 2 |
| 1977 |
Raleigh Hills (Beaverton) 3, Keizer 2 |
| 1976 |
Rose City (Portland) 10, Leslie (Salem) 1 |
| 1975 |
Sunrise (Portland) 7, Hollywood (Portland) 2 |
| 1974 |
Rose City (Portland) 4, The Dalles American 3 |
| 1973 |
Rose City (Portland) 3, South Suburban (Klamath Falls) 2 |
| 1972 |
Northeast Portland 10, Meadowland (Portland) 0 |
| 1971 |
Northeast Portland 3, Tualatin 2 |
| 1970 |
Medford National 2, Sunset (Portland) 1 |
| 1969 |
South Suburban (Klamath Falls) 1, Northeast Portland 0 |
| 1968 |
Rocky Butte (Portland) 2, Raleigh Hills (Beaverton) 1 |
| 1967 |
Mount Sylvania (Portland) 14, The Dalles Western 3 |
| 1966 |
Rose City (Portland) 24, Hood River 2 |
| 1965 |
South Suburban (Klamath Falls) 6, Sunset (Portland) 1 |
| 1964 |
Jefferson County (Madras) 2, Kenton 0 |
| 1963 |
Riverside (Portland) 2, Ontario 1 |
| 1962 |
Ontario 5, Hollywood (Portland) 3 |
| 1961 |
Oregon Trail (Portland) 6, Pendleton 1 |
| 1960 |
Sunrise (Portland) 3, Mount Sylvania (Portland) 1 |
| 1959 |
Northeast Portland 4, Lents 1 |