| Year |
Result |
| 2026 |
Soundview (Tacoma) 4, Gig Harbor - White 1 |
| 2025 |
Bonney Lake/Sumner 9, Mill Creek 7 |
| 2024 |
South Hill (Puyallup) 3, North Central (Seattle) 1 |
| 2023 |
Northeast Seattle 6, Mill Creek 0 |
| 2022 |
Bonney Lake/Sumner 9, Woodinville 8 |
| 2021 |
Eastlake (Sammamish) 6, Lake Stevens 0 |
| 2020 | International tournament not held due to Covid-19 pandemic |
| 2019 |
North Bothell 9, Federal Way National 8 |
| 2018 |
West Seattle 8, Lynnwood Pacific 4 |
| 2017 |
Walla Walla Valley 13, Auburn 12 |
| 2016 |
Lynnwood Pacific 4, Redmond North 3 (7 innings) |
| 2015 |
Cascade (Vancouver) 15, Mercer Island 6 |
| 2014 |
Lynnwood Pacific 12, Federal Way National 2 (4 innings) |
| 2013 |
Eastlake (Sammamish) 12, Federal Way National 2 |
| 2012 |
Mercer Island 11, South Kitsap Western (Port Orchard) 1 |
| 2011 |
North Bothell 5, Kent 3 |
| 2010 |
Auburn 3, Mercer Island 2 |
| 2009 |
Mercer Island 3, Pasco National 2 (7 innings) |
| 2008 |
Mill Creek 10, Richmond (Shoreline) 0 (4 innings) |
| 2007 |
Kent 14, Highlands (Battle Ground/Brush Prairie) 1 (5 innings) |
| 2006 |
Kent 10, Centralia 2 |
| 2005 |
Chehalis 5, Mill Creek 2 |
| 2004 |
Redmond North 6, Steel Lake (Federal Way) 3 (8 innings) |
| 2003 |
Richland National 5, Richmond (Shoreline) 3 |
| 2002 |
Mill Creek 6, Kirkland National 1 |
| 2001 |
Bainbridge Island 5, Mill Creek 1 |
| 2000 |
Hazel Dell 10, Mill Creek 2 |
| 1999 |
Mill Creek 7, South Skagit American (Mount Vernon) 2 |
| 1998 |
Woodinville West 3, Issaquah South American 1 |
| 1997 |
Auburn 6, Redmond North 5 |
| 1996 |
Issaquah North American 5, Salmon Creek 4 (8 innings) |
| 1995 |
Woodinville West 3, Moses Lake American 2 |
| 1994 |
South Everett 12, South Kitsap Eastern (Port Orchard) 5 |
| 1993 |
Salmon Creek 2, South Kitsap Eastern (Port Orchard) 0 |
| 1992 |
Lynnwood Pacific 3, South Kitsap Eastern (Port Orchard) 0 |
| 1991 |
South Everett 5, Kirkland National East 4 |
| 1990 |
Federal Way American 7, South Kitsap Eastern (Port Orchard) 0 |
| 1989 |
Lewis River (Woodland / La Center) 6, Kennewick American 5 |
| 1988 |
Kennewick National 5, Northshore American (Bothell) 1 |
| 1987 |
Redmond South 20, Northshore American (Bothell) 0 |
| 1986 |
Marysville 9, Kirkland American 5 |
| 1985 |
South Everett 10, Federal Way American 2 |
| 1984 |
Kirkland National 3, Richland National 0 |
| 1983 |
Kelso 2, South Highline National (Des Moines / Normandy Park) 1 |
| 1982 |
Kirkland National 2, Hoquiam 0 |
| 1981 |
Kennewick National 8, Longview Western 3 |
| 1980 |
Kirkland National 5, Marysville 0 |
| 1979 |
Bellevue Thunderbird 5, Centralia 0 |
| 1978 |
Lynnwood Pacific 4, South Kitsap Western (Port Orchard) 2 |
| 1977 |
Renton 4, North Central (Seattle) 2 |
| 1976 |
Redmond 8, Richmond (Shoreline) 5 |
| 1975 |
Burien 5, Alderwood Manor National 2 |
| 1974 |
Longview Western 3, South Kitsap Eastern (Port Orchard) 0 |
| 1973 |
Southeast Limits (Skyview) 4, Kirkland National 3 (7 innings) |
| 1972 |
Kirkland American 2, Burien 1 (8 innings) |
| 1971 |
Cowlitz County (Lexington) 4, Queen Anne (Seattle) 2 (8 innings) |
| 1970 |
Renton 2, North King County (Shoreline) 1 |
| 1969 |
Columbia 2, Richmond (Shoreline) 1 |
| 1968 |
Omak 2, Federal Way 0 |
| 1967 |
Omak 10, South Kitsap Western (Port Orchard) 9 |
| 1966 |
Columbia (Vancouver) 5, South Kitsap Western (Port Orchard) 2 |
| 1965 |
Centralia 4, Everett National 3 |
| 1964 |
Quincy 12, Bellevue Federal 5 |
| 1963 |
Centralia 4, Hazel Dell 1 |
| 1962 |
Bellevue National 5, Kennewick National 3 |
| 1961 |
Evergreen (Bellevue) 7, Columbia (Vancouver) 0 |
| 1960 |
Alcoa (Vancouver) 2, Redmond 0 |
| 1959 |
Alcoa (Vancouver) 7, Kirkland National 0 |
| 1958 |
West Ballard (Seattle) 5, Ephrata-Soap Lake 2 |
| 1957 |
Ephrata-Soap Lake 4, Centralia 0 |