1962-63
McLean-Waynesville 5-0
Mason City 4-1
Hartsburg-Emden 3-2
Atlanta 1-4
Forman 1-4
Mt. Pulaski 1-4
1963-64
Mason City 4-1
Atlanta 3-2
Forman 3-2
Mt. Pulaski 3-2
Hartsburg-Emden 1-4
McLean-Waynesville 1-4
1964-65
Mason City 4-1
Atlanta 3-2
Hartsburg-Emden 3-2
Mt. Pulaski 3-2
Forman 2-3
McLean-Waynesville 0-5
1965-66
Mt. Pulaski 5-0
Mason City 4-1
McLean-Waynesville 3-2
Atlanta 1-4
Forman 1-4
Hartsburg-Emden 1-4
1966-67
Mason City 5-0
Forman 3-2
Hartsburg-Emden 3-2
Mt. Pulaski 3-2
Atlanta 1-4
McLean-Waynesville 0-5
1967-68
Mt. Pulaski 5-0
Forman 4-1
Mason City 3-2
Atlanta 2-3
Hartsburg-Emden 1-4
McLean-Waynesville 0-5
1968-69
Forman 5-1
Mason City 5-1
Mt. Pulaski 4-2
Hartsburg-Emden 3-3
McLean-Waynesville-Armington 3-3
Atlanta 1-5
Delavan 0-6
1969-70
Mason City 5-0
Mt. Pulaski 4-1
Forman 2-3
Hartsburg-Emden 2-3
McLean-Waynesville-Armington 2-3
Atlanta 0-5
1970-71
McLean-Waynesville-Armington 6-0
Mason City 5-1
Delavan 4-2
Mt. Pulaski 3-3
Forman 2-4
Atlanta 1-5
Hartsburg-Emden 0-6
1971-72
Delavan 5-1
Mason City 5-1
1972-73
Delavan 6-1
Mason City 6-1
Mt. Pulaski 6-1
Forman 4-3
Hartsburg-Emden 3-4
Tremont 2-5
San Jose 1-6
Green Valley 0-7
1975-76
Mt. Pulaski 7-0
Forman 6-1
Delavan 4-3
Mason City 4-3
Green Valley 3-4
Hartsburg-Emden 3-4
San Jose 1-6
Tremont 0-7
1976-77
Mt. Pulaski 7-0
Mason City 6-1
Hartsburg-Emden 4-3
San Jose 4-3
Forman 3-4
Tremont 3-4
Green Valley 1-6
Delavan 0-7
1977-78
Mason City 7-0
Mt. Pulaski 6-1
Forman 5-2
San Jose 3-4
Delavan 2-5
Hartsburg-Emden 2-5
Tremont 2-5
Green Valley 1-6
1978-79
Mt. Pulaski 6-0
Delavan 4-2
Hartsburg-Emden 4-2
Forman 2-4
Green Valley 2-4
Mason City 2-4
San Jose 1-5
1979-80
Illini Bluffs 6-1
Mt. Pulaski 6-1
Forman 5-2
Hartsburg-Emden 5-2
Mason City 3-4
Delavan 2-5
San Jose 1-6
Green Valley 0-7
1980-81
Delavan 6-1
Mt. Pulaski 6-1
Forman 5-2
Hartsburg-Emden 4-3
Illini Bluffs 4-3
Mason City 2-5
San Jose 1-6
Green Valley 0-7
1981-82
Mt. Pulaski 7-0
Forman 6-1
Illini Bluffs 5-2
Delavan 3-4
Hartsburg-Emden 3-4
San Jose 3-4
Mason City 1-6
Green Valley 0-7
1982-83
Mason City 6-0
Mt. Pulaski 5-1
Illini Bluffs 4-2
Delavan 2-4
San Jose 2-4
Green Valley 1-5
Hartsburg-Emden 1-5
1983-84
Mason City 5-0
Mt. Pulaski 4-1
Illini Bluffs 3-2
Delavan 2-3
San Jose 1-4
Hartsburg-Emden 0-5
1984-85
Mason City 5-0
Mt. Pulaski 4-1
Delavan 3-2
Illini Bluffs 2-3
Hartsburg-Emden 1-4
San Jose 0-5