| Year | Date | Opponent | Us | Them | Result | W | L | T | OT | Where | Location | Field | Coach | Notes | |
| 1899 | 11/18 | Chillicothe | 0 | 34 | L | 1 | Away | Chillicothe | East End Park | ||||||
| 1901 | 11/1 | Chillicothe | 0 | 18 | L | 1 | Away | Chillicothe | |||||||
| 1903 | 11/21 | Chillicothe | 6 | 23 | L | 1 | Home | Portsmouth | Joe Micklethwait | ||||||
| 1906 | 10/20 | Chillicothe | 0 | 40 | L | 1 | Home | Portsmouth | J. R. Gilliland | ||||||
| 1906 | 11/10 | Chillicothe | 0 | 27 | L | 1 | Away | Chillicothe | J. R. Gilliland | ||||||
| 1907 | 10/26 | Chillicothe | 5 | 21 | L | 1 | Away | Chillicothe | Earl Rardin | not in yb | |||||
| 1907 | 11/16 | Chillicothe | 0 | 0 | T | 1 | Home | Portsmouth | Millbrook Park | Earl Rardin | |||||
| 1908 | 10/23 | Chillicothe | 0 | 5 | L | 1 | Away | Chillicothe | |||||||
| 1908 | 11/14 | Chillicothe | 22 | 0 | W | 1 | Home | Portsmouth | Millbrook Park | ||||||
| 1910 | 11/5 | Chillicothe | 6 | 0 | W | 1 | Away | Chillicothe | Kite Track | J. D. Creveling | |||||
| 1911 | 11/4 | Chillicothe | 17 | 0 | W | 1 | Home | Portsmouth | Millbrook Park | J. D. Creveling | |||||
| 1912 | Chillicothe | 0 | 0 | T | 1 | ||||||||||
| 1913 | 11/1 | Chillicothe | 0 | 0 | T | 1 | Away | Chillicothe | |||||||
| 1914 | 10/10 | Chillicothe | 0 | 18 | L | 1 | Away | Chillicothe | League Park | ||||||
| 1916 | 10/21 | Chillicothe | 12 | 0 | W | 1 | Home | Portsmouth | Millbrook Park | R. E. Rucker | |||||
| 1916 | 10/28 | Chillicothe | 7 | 20 | L | 1 | Away | Chillicothe | R. E. Rucker | ||||||
| 1917 | Chillicothe | 13 | 14 | L | 1 | Away | Chillicothe | no coach | |||||||
| 1920 | 10/2 | Chillicothe | 33 | 0 | W | 1 | Home | Portsmouth | Industrial League Field | F. B. McComb | |||||
| 1921 | 11/18 | Chillicothe | 0 | 7 | L | 1 | Home | Chillicothe | Meaco Field | Daniel Fries | |||||
| 1922 | 11/11 | Chillicothe | 14 | 7 | W | 1 | Home | Portsmouth | 16th Street Field | Henry Eccles | |||||
| 1923 | 11/10 | Chillicothe | 13 | 13 | T | 1 | Away | Chillicothe | Meaco Field | F. B. McComb | |||||
| 1924 | 11/1 | Chillicothe | 52 | 7 | W | 1 | Home | Portsmouth | 16th Street Lot | F. B. McComb | |||||
| 1925 | 11/20 | Chillicothe | 10 | 0 | W | 1 | Away | Chillicothe | Meaco Field | Richard Hopkins | |||||
| 1929 | 10/19 | Chillicothe | 27 | 20 | W | 1 | Away | Chillicothe | Ralph Ness | ||||||
| 1930 | 10/25 | Chillicothe | 28 | 8 | W | 1 | Home | Portsmouth | Universal Stadium | Ralph Ness | |||||
| 1931 | 11/20 | Chillicothe | 32 | 0 | W | 1 | Away | Chillicothe | Ralph Ness | ||||||
| 1932 | 10/15 | Chillicothe | 38 | 7 | W | 1 | Home | Portsmouth | Universal Stadium | Ralph Ness | |||||
| 1933 | 10/21 | Chillicothe | 12 | 0 | W | 1 | Away | Chillicothe | Ralph Ness | ||||||
| 1934 | 10/27 | Chillicothe | 26 | 0 | W | 1 | Home | Portsmouth | Municipal Stadium | Ralph Ness | |||||
| 1935 | 10/19 | Chillicothe | 12 | 7 | W | 1 | Away | Chillicothe | Herrnstein Field | Ralph Ness | |||||
| 1936 | 11/7 | Chillicothe | 36 | 0 | W | 1 | Home | Portsmouth | Municipal Stadium | Paul Jenkins | |||||
| 1937 | 10/15 | Chillicothe | 19 | 6 | W | 1 | Away | Chillicothe | Herrnstein Field | Paul Jenkins | |||||
| 1938 | 10/14 | Chillicothe | 31 | 6 | W | 1 | Away | Chillicothe | Herrnstein Field | Paul Jenkins | |||||
| 1939 | 10/13 | Chillicothe | 19 | 6 | W | 1 | Home | Portsmouth | Municipal Stadium | Paul Jenkins | |||||
| 1940 | 10/4 | Chillicothe | 27 | 0 | W | 1 | Away | Chillicothe | Herrnstein Field | Paul Jenkins | |||||
| 1945 | 10/26 | Chillicothe | 32 | 7 | W | 1 | Away | Chillicothe | Herrnstein Field | Houston Elder | |||||
| 1946 | 10/25 | Chillicothe | 36 | 27 | W | 1 | Home | Portsmouth | Municipal Stadium | August Morningstar | |||||
| 1947 | 10/10 | Chillicothe | 25 | 21 | W | 1 | Away | Chillicothe | Herrnstein Field | Rocky Snyder | |||||
| 1948 | 10/15 | Chillicothe | 32 | 8 | W | 1 | Home | Portsmouth | Municipal Stadium | Carl Meadows | |||||
| 1949 | 10/14 | Chillicothe | 19 | 13 | W | 1 | Away | Chillicothe | Herrnstein Field | Carl Meadows | |||||
| 1950 | 9/22 | Chillicothe | 19 | 7 | W | 1 | Home | Portsmouth | Municipal Stadium | Bill Hess | |||||
| 1958 | 9/19 | Chillicothe | 30 | 6 | W | 1 | Away | Chillicothe | Herrnstein Field | Howard Baughman | |||||
| 1959 | 9/25 | Chillicothe | 40 | 14 | W | 1 | Home | Portsmouth | Municipal Stadium | Howard Baughman | |||||
| 1960 | 10/7 | Chillicothe | 0 | 6 | L | 1 | Away | Chillicothe | Herrnstein Field | Howard Baughman | |||||
| 1961 | 10/6 | Chillicothe | 6 | 14 | L | 1 | Home | Portsmouth | Municipal Stadium | Howard Baughman | |||||
| 1962 | 10/5 | Chillicothe | 0 | 24 | L | 1 | Away | Chillicothe | Herrnstein Field | Bill Apel | |||||
| 1963 | 10/4 | Chillicothe | 6 | 0 | W | 1 | Home | Portsmouth | Municipal Stadium | Bill Apel | |||||
| 1964 | 10/9 | Chillicothe | 0 | 27 | L | 1 | Away | Chillicothe | Herrnstein Field | Benny Benhase | |||||
| 1965 | 10/8 | Chillicothe | 6 | 12 | L | 1 | Home | Portsmouth | Municipal Stadium | Benny Benhase | |||||
| 1966 | 10/7 | Chillicothe | 29 | 16 | W | 1 | Away | Chillicothe | Herrnstein Field | Benny Benhase | |||||
| 1967 | 10/6 | Chillicothe | 22 | 0 | W | 1 | Home | Portsmouth | Municipal Stadium | Benny Benhase | |||||
| 1968 | 10/4 | Chillicothe | 15 | 14 | W | 1 | Away | Chillicothe | Herrnstein Field | Benny Benhase | |||||
| 1969 | 10/3 | Chillicothe | 0 | 12 | L | 1 | Home | Portsmouth | Municipal Stadium | Benny Benhase | |||||
| 1970 | 10/9 | Chillicothe | 14 | 12 | W | 1 | Away | Chillicothe | Herrnstein Field | J. Paul Mentis | |||||
| 1971 | 10/8 | Chillicothe | 34 | 0 | W | 1 | Home | Portsmouth | Spartan Stadium | J. Paul Mentis | |||||
| 1972 | 10/6 | Chillicothe | 29 | 20 | W | 1 | Away | Chillicothe | Herrnstein Field | Roger Merb | |||||
| 1973 | 10/5 | Chillicothe | 18 | 26 | L | 1 | Home | Portsmouth | Spartan Stadium | Roger Merb | |||||
| 1974 | 10/4 | Chillicothe | 15 | 20 | L | 1 | Away | Chillicothe | Herrnstein Field | Dave Lantz | |||||
| 1975 | 9/19 | Chillicothe | 41 | 6 | W | 1 | Home | Portsmouth | Spartan Stadium | Dave Lantz | |||||
| 1983 | 9/2 | Chillicothe | 20 | 14 | W | 1 | Away | Chillicothe | Herrnstein Field | Bob Shaffer | |||||
| 1984 | 8/31 | Chillicothe | 40 | 20 | W | 1 | Home | Portsmouth | Spartan Municipal Stadium | Bob Shaffer | |||||
| 1991 | 8/30 | Chillicothe | 21 | 3 | W | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 1992 | 9/4 | Chillicothe | 36 | 12 | W | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 1993 | 9/3 | Chillicothe | 0 | 10 | L | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 1994 | 9/2 | Chillicothe | 0 | 21 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 1995 | 9/1 | Chillicothe | 12 | 29 | L | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 1996 | 8/30 | Chillicothe | 12 | 21 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 1999 | 9/3 | Chillicothe | 27 | 33 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2000 | 9/1 | Chillicothe | 66 | 0 | W | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 2001 | 8/31 | Chillicothe | 55 | 12 | W | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2002 | 8/30 | Chillicothe | 25 | 21 | W | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 2003 | 9/5 | Chillicothe | 7 | 10 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2004 | 9/10 | Chillicothe | 14 | 26 | L | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 2005 | 9/9 | Chillicothe | 12 | 43 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2006 | 10/6 | Chillicothe | 28 | 29 | L | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 2007 | 10/5 | Chillicothe | 30 | 22 | W | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2008 | 9/19 | Chillicothe | 14 | 34 | L | 1 | Home | Portsmouth | Spartan Municipal Stadium | Curt Clifford | |||||
| 2009 | 9/25 | Chillicothe | 34 | 21 | W | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2010 | 9/24 | Chillicothe | 7 | 41 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2011 | 9/23 | Chillicothe | 31 | 24 | W | 1 | Home | Portsmouth | Trojan Coliseum | Curt Clifford | |||||
| 2012 | 10/26 | Chillicothe | 0 | 63 | L | 1 | Away | Chillicothe | Herrnstein Field | Curt Clifford | |||||
| 2013 | 11/1 | Chillicothe | 27 | 57 | L | 1 | Home | Portsmouth | Trojan Coliseum | Jason Sparks | |||||
| 1,503 | 1,192 | 46 | 32 | 4 | .585 | ||||||||||
| 18.33 | 14.54 | 3.79 | |||||||||||||