| Year |
Result |
| 2024 |
Davenport Southeast 1, Grandview (Des Moines) 0 (7 innings) |
| 2023 |
Johnston 11, North Scott (Eldridge) 1 (4 innings) |
| 2022 |
Davenport Southeast 4, Morningside (Sioux City) 2 |
| 2021 |
Davenport Southeast 7, Johnston 6 (10 innings) |
| 2020 |
International tournament not held due to Covid-19 pandemic |
| 2019 |
Johnston 9, Grandview (Des Moines) 2 |
| 2018 |
Grandview (Des Moines) 7, Headid (Sioux City) 2 |
| 2017 |
Johnston 8, North Scott (Eldridge) 3 |
| 2016 |
Johnston 9, Davenport Northwest 5 |
| 2015 |
Grandview (Des Moines) 15, Headid (Sioux City) 5 |
| 2014 |
Headid (Sioux City) 9, Grandview (Des Moines) 6 |
| 2013 |
Urbandale 6, Appanoose County (Centerville) 4 |
| 2012 |
Sioux City Westside 10, Raccoon Valley (Des Moines) 7 |
| 2011 |
Grandview (Des Moines) 14, Boone National 0 |
| 2010 |
Grandview (Des Moines) 8, Urbandale 1 |
| 2009 |
Urbandale 7, Monroe County (Albia) 3 |
| 2008 |
Urbandale 10, Davenport Northwest 0 (5 innings) |
| 2007 |
Urbandale 6, Boone National 1 |
| 2006 |
Davis County (Bloomfield) 5, Davenport Southeast 2 |
| 2005 |
Davenport Northwest 5, Urbandale 2 |
| 2004 |
Davenport Northwest 4, Urbandale 3 |
| 2003 |
North Scott (Eldridge) 9, Boone National 1 |
| 2002 |
Grandview (Des Moines) 2, Headid American (Sioux City) 1 |
| 2001 |
Davenport East 5, South Des Moines 1 |
| 2000 |
Davenport East 9, Monroe County (Albia) 2 |
| 1999 |
Fairfield 4, Davenport Northwest 3 |
| 1998 |
Mahaska County National (Oskaloosa) 5, Urbandale American 4 |
| 1997 |
Davenport North 10, Urbandale National 1 |
| 1996 |
Marshalltown National 7, Boone 0 |
| 1995 |
Marshalltown National 8, Indianola 1 |
| 1994 |
Davenport Northwest 8, Headid American (Sioux City) 1 |
| 1993 |
Beaverdale American (Des Moines) 5, Davenport Southwest 0 |
| 1992 |
Emies (Davenport) 5, South Des Moines 4 |
| 1991 |
Grandview (Des Moines) 5, Boone 3 |
| 1990 |
Indianola 7, Davenport Southeast 0 |
| 1989 |
Davenport East 6, Grandview (Des Moines) 2 |
| 1988 |
South Des Moines 7, Ottumwa Midwest 1 |
| 1987 |
Monroe County (Albia) 5, Davenport East 4 |
| 1986 |
Grandview (Des Moines) 13, Urbandale American 3 |
| 1985 |
Morningside National (Sioux City) 3, Davenport Northwest 1 |
| 1984 |
Ottumwa American 5, Southeast Polk (Pleasant Hill) 2 |
| 1983 |
Sioux City Westside 4, Fort Des Moines National 0 |
| 1982 |
Emies (Davenport) 6, Ottumwa American 5 |
| 1981 |
Emies (Davenport) 8, Ankeny American 1 |
| 1980 |
Grandview National (Des Moines) 8, Ottumwa National 0 |
| 1979 |
Davenport Northwest 7, Beaverdale (Des Moines) 2 |
| 1978 |
West Des Moines East 5, Indianola 3 |
| 1977 |
Emies (Davenport) 5, Ankeny National 2 |
| 1976 |
Windsor-Des Moines 10, Boone 1 |
| 1975 |
Davenport Southeast 11, Storm Lake 2 |
| 1974 |
Davenport Northwest 2, Appanoose County (Centerville) 0 |
| 1973 |
Davenport Central 8, Carroll 5 |
| 1972 |
Le Mars 3, Ottumwa National 1 |
| 1971 |
Ottumwa National 3, Davenport Northwest 1 |
| 1970 |
Fort Des Moines 2, Appanoose County (Centerville) 0 |
| 1969 |
Beaverdale (Des Moines) 8, Le Mars 0 |
| 1968 |
Marshalltown National 2, Ottumwa American 0 |
| 1967 |
South Des Moines 2, Carroll 1 |
| 1966 |
Beaverdale (Des Moines) 3, Davenport Northwest 2 |
| 1965 |
Grandview (Des Moines) 5, Jefferson 2 |
| 1964 |
Windsor-Des Moines 11, Ottumwa American 0 |
| 1963 |
Sac County 3, Windsor-Des Moines 2 |
| 1962 |
Windsor-Des Moines 14, Ottumwa American 0 |
| 1961 |
West Des Moines 12, Burlington National 4 |
| 1960 |
Burlington American 4, Sac County (Sac City) 3 |
| 1959 |
Ottumwa Midwest 4, Sac County (Sac City) 2 |
| 1958 |
Davenport Northwest 6, West Des Moines 3 |
| 1957 |
Ottumwa American 7, Boone 3 |