Program history
Ohio State Record vs Ranked Teams
Every opponent's AP Top 25 rank is taken from the time of the game—not the final poll—with all-time, site, decade, and season splits.
Big TenOhio Stadium
- Overall record
- 162-132-13
- Win percentage
- 54.9%
- Current streak
- 2L
AP-ranked opponent summary
All Top 25
162-132-13
307 games · 54.9%
Against Top 10
65-84-8
157 games · 43.9%
Against Top 5
27-54-3
84 games · 33.9%
Streaks
2L
Current ranked-opponent streak · longest win streak 15
Record by site
| Site | Record | Games | Win % |
|---|---|---|---|
| Home | 78-57-7 | 142 | 57.4% |
| Road | 53-48-6 | 107 | 52.3% |
| Neutral | 31-27 | 58 | 53.4% |
Record by decade
| Decade | Record | Games | Win % |
|---|---|---|---|
| 2020s | 18-10 | 28 | 64.3% |
| 2010s | 35-11 | 46 | 76.1% |
| 2000s | 32-16 | 48 | 66.7% |
| 1990s | 28-20-3 | 51 | 57.8% |
| 1980s | 11-19-1 | 31 | 37.1% |
| 1970s | 12-16-2 | 30 | 43.3% |
| 1960s | 7-7-1 | 15 | 50% |
| 1950s | 16-16-4 | 36 | 50% |
| 1940s | 3-13-1 | 17 | 20.6% |
| 1930s | 0-4-1 | 5 | 10% |
Record by season
| Season | Record | Games | Win % |
|---|---|---|---|
| 2025 | 2-2 | 4 | 50% |
| 2024 | 6-1 | 7 | 85.7% |
| 2023 | 2-2 | 4 | 50% |
| 2022 | 1-2 | 3 | 33.3% |
| 2021 | 3-2 | 5 | 60% |
| 2020 | 4-1 | 5 | 80% |
| 2019 | 5-1 | 6 | 83.3% |
| 2018 | 6-0 | 6 | 100% |
| 2017 | 4-1 | 5 | 80% |
| 2016 | 4-1 | 5 | 80% |
| 2015 | 2-1 | 3 | 66.7% |
| 2014 | 4-0 | 4 | 100% |
| 2013 | 2-2 | 4 | 50% |
| 2012 | 3-0 | 3 | 100% |
| 2011 | 2-4 | 6 | 33.3% |
| 2010 | 3-1 | 4 | 75% |
| 2009 | 3-1 | 4 | 75% |
| 2008 | 2-3 | 5 | 40% |
| 2007 | 3-1 | 4 | 75% |
| 2006 | 4-1 | 5 | 80% |
| 2005 | 5-2 | 7 | 71.4% |
| 2004 | 2-1 | 3 | 66.7% |
| 2003 | 5-2 | 7 | 71.4% |
| 2002 | 5-0 | 5 | 100% |
| 2001 | 2-2 | 4 | 50% |
| 2000 | 1-3 | 4 | 25% |
| 1999 | 3-3 | 6 | 50% |
| 1998 | 5-0 | 5 | 100% |
| 1997 | 2-3 | 5 | 40% |
| 1996 | 4-1 | 5 | 80% |
| 1995 | 6-2 | 8 | 75% |
| 1994 | 1-3 | 4 | 25% |
| 1993 | 5-0-1 | 6 | 91.7% |
| 1992 | 1-1-1 | 3 | 50% |
| 1991 | 0-4 | 4 | 0% |
| 1990 | 1-3-1 | 5 | 30% |
| 1989 | 0-4 | 4 | 0% |
| 1988 | 1-1 | 2 | 50% |
| 1987 | 0-3-1 | 4 | 12.5% |
| 1986 | 2-2 | 4 | 50% |
| 1985 | 3-1 | 4 | 75% |
| 1984 | 0-2 | 2 | 0% |
| 1983 | 2-3 | 5 | 40% |
| 1982 | 2-0 | 2 | 100% |
| 1981 | 1-0 | 1 | 100% |
| 1980 | 0-3 | 3 | 0% |
| 1979 | 1-1 | 2 | 50% |
| 1978 | 0-4 | 4 | 0% |
| 1977 | 0-3 | 3 | 0% |
| 1976 | 2-2-1 | 5 | 50% |
| 1975 | 4-1 | 5 | 80% |
| 1974 | 2-1 | 3 | 66.7% |
| 1973 | 1-0-1 | 2 | 75% |
| 1972 | 1-1 | 2 | 50% |
| 1971 | 0-2 | 2 | 0% |
| 1970 | 1-1 | 2 | 50% |
| 1969 | 1-1 | 2 | 50% |
| 1968 | 4-0 | 4 | 100% |
| 1967 | 0-1 | 1 | 0% |
| 1966 | 0-1 | 1 | 0% |
| 1965 | 0-1 | 1 | 0% |
| 1963 | 1-0-1 | 2 | 75% |
| 1962 | 0-1 | 1 | 0% |
| 1960 | 1-2 | 3 | 33.3% |
| 1959 | 1-4 | 5 | 20% |
| 1958 | 2-1-2 | 5 | 60% |
| 1957 | 2-1 | 3 | 66.7% |
| 1956 | 0-3 | 3 | 0% |
| 1955 | 3-1 | 4 | 75% |
| 1954 | 6-0 | 6 | 100% |
| 1953 | 0-2 | 2 | 0% |
| 1952 | 1-2 | 3 | 33.3% |
| 1951 | 0-1-2 | 3 | 33.3% |
| 1950 | 1-1 | 2 | 50% |
| 1949 | 2-1-1 | 4 | 62.5% |
| 1948 | 1-1 | 2 | 50% |
| 1947 | 0-2 | 2 | 0% |
| 1946 | 0-1 | 1 | 0% |
| 1945 | 0-1 | 1 | 0% |
| 1943 | 0-3 | 3 | 0% |
| 1941 | 0-1 | 1 | 0% |
| 1940 | 0-3 | 3 | 0% |
| 1939 | 0-1 | 1 | 0% |
| 1938 | 0-1-1 | 2 | 25% |
| 1936 | 0-2 | 2 | 0% |
Highest-ranked wins
Win over No. 1
Oregon, 2024
41-21 · Neutral · Ohio State was No. 6
Win over No. 1
Alabama, 2014
42-35 · Neutral · Ohio State was No. 5
Win over No. 1
Miami, 2002
31-24 · Neutral · Ohio State was No. 2
Win over No. 1
Iowa, 1985
22-13 · Home · Ohio State was No. 8
Win over No. 1
Purdue, 1968
13-0 · Home · Ohio State was No. 4
Win over No. 2
Penn State, 2017
39-38 · Home · Ohio State was No. 6
Win over No. 2
Michigan, 2006
42-39 · Home · Ohio State was No. 1
Win over No. 2
Texas, 2006
24-7 · Road · Ohio State was No. 1
Win over No. 2
Arizona State, 1996
20-17 · Neutral · Ohio State was No. 4
Win over No. 2
USC, 1968
27-16 · Neutral · Ohio State was No. 1
All 307 qualifying games
| Season | Result | Opponent at game time | Team rank | Site |
|---|---|---|---|---|
| 2025 | L 14-24 | No. 10 Miami | No. 3 | Neutral |
| 2025 | L 10-13 | No. 2 Indiana | No. 1 | Neutral |
| 2025 | W 27-9 | No. 15 Michigan | No. 1 | Road |
| 2025 | W 34-16 | No. 17 Illinois | No. 1 | Road |
| 2024 | W 34-23 | No. 3 Notre Dame | No. 6 | Neutral |
| 2024 | W 28-14 | No. 4 Texas | No. 6 | Neutral |
| 2024 | W 41-21 | No. 1 Oregon | No. 6 | Neutral |
| 2024 | W 42-17 | No. 7 Tennessee | No. 6 | Home |
| 2024 | W 38-15 | No. 5 Indiana | No. 2 | Home |
| 2024 | W 20-13 | No. 3 Penn State | No. 4 | Road |
| 2024 | L 31-32 | No. 3 Oregon | No. 2 | Road |
| 2023 | L 3-14 | No. 9 Missouri | No. 7 | Neutral |
| 2023 | L 24-30 | No. 3 Michigan | No. 2 | Road |
| 2023 | W 20-12 | No. 7 Penn State | No. 3 | Home |
| 2023 | W 17-14 | No. 9 Notre Dame | No. 6 | Road |
| 2022 | L 41-42 | No. 1 Georgia | No. 4 | Neutral |
| 2022 | L 23-45 | No. 3 Michigan | No. 2 | Home |
| 2022 | W 44-31 | No. 13 Penn State | No. 2 | Road |
| 2021 | W 48-45 | No. 10 Utah | No. 7 | Neutral |
| 2021 | L 27-42 | No. 6 Michigan | No. 2 | Road |
| 2021 | W 56-7 | No. 7 Michigan State | No. 5 | Home |
| 2021 | W 33-24 | No. 20 Penn State | No. 5 | Home |
| 2021 | L 28-35 | No. 12 Oregon | No. 3 | Home |
| 2020 | L 24-52 | No. 1 Alabama | No. 3 | Neutral |
| 2020 | W 49-28 | No. 4 Clemson | No. 3 | Neutral |
| 2020 | W 22-10 | No. 15 Northwestern | No. 3 | Neutral |
| 2020 | W 42-35 | No. 9 Indiana | No. 3 | Home |
| 2020 | W 38-25 | No. 18 Penn State | No. 3 | Road |
| 2019 | L 23-29 | No. 3 Clemson | No. 2 | Neutral |
| 2019 | W 34-21 | No. 10 Wisconsin | No. 2 | Neutral |
| 2019 | W 56-27 | No. 10 Michigan | No. 2 | Road |
| 2019 | W 28-17 | No. 9 Penn State | No. 2 | Home |
| 2019 | W 38-7 | No. 13 Wisconsin | No. 3 | Home |
| 2019 | W 34-10 | No. 25 Michigan State | No. 4 | Home |
| 2018 | W 28-23 | No. 9 Washington | No. 5 | Neutral |
| 2018 | W 45-24 | No. 21 Northwestern | No. 6 | Neutral |
| 2018 | W 62-39 | No. 4 Michigan | No. 10 | Home |
| 2018 | W 26-6 | No. 24 Michigan State | No. 8 | Road |
| 2018 | W 27-26 | No. 9 Penn State | No. 4 | Road |
| 2018 | W 40-28 | No. 15 TCU | No. 4 | Neutral |
| 2017 | W 24-7 | No. 8 USC | No. 5 | Neutral |
| 2017 | W 27-21 | No. 3 Wisconsin | No. 8 | Neutral |
| 2017 | W 48-3 | No. 13 Michigan State | No. 11 | Home |
| 2017 | W 39-38 | No. 2 Penn State | No. 6 | Home |
| 2017 | L 16-31 | No. 5 Oklahoma | No. 2 | Home |
| 2016 | L 0-31 | No. 3 Clemson | No. 2 | Neutral |
| 2016 | W 30-27 | No. 3 Michigan | No. 2 | Home |
| 2016 | W 62-3 | No. 9 Nebraska | No. 6 | Home |
| 2016 | W 30-23 | No. 8 Wisconsin | No. 2 | Road |
| 2016 | W 45-24 | No. 14 Oklahoma | No. 3 | Road |
| 2015 | W 44-28 | No. 8 Notre Dame | No. 7 | Neutral |
| 2015 | W 42-13 | No. 12 Michigan | No. 8 | Road |
| 2015 | L 14-17 | No. 9 Michigan State | No. 2 | Home |
| 2014 | W 42-20 | No. 3 Oregon | No. 5 | Neutral |
| 2014 | W 42-35 | No. 1 Alabama | No. 5 | Neutral |
| 2014 | W 59-0 | No. 11 Wisconsin | No. 6 | Neutral |
| 2014 | W 49-37 | No. 7 Michigan State | No. 13 | Road |
| 2013 | L 35-40 | No. 12 Clemson | No. 7 | Neutral |
| 2013 | L 24-34 | No. 10 Michigan State | No. 2 | Neutral |
| 2013 | W 40-30 | No. 16 Northwestern | No. 4 | Road |
| 2013 | W 31-24 | No. 23 Wisconsin | No. 4 | Home |
| 2012 | W 26-21 | No. 20 Michigan | No. 4 | Home |
| 2012 | W 63-38 | No. 21 Nebraska | No. 12 | Home |
| 2012 | W 17-16 | No. 20 Michigan State | No. 14 | Road |
| 2011 | L 17-24 | No. 17 Florida | No. 17 | Neutral |
| 2011 | L 34-40 | No. 17 Michigan | Unranked | Road |
| 2011 | L 14-20 | No. 21 Penn State | Unranked | Home |
| 2011 | W 33-29 | No. 12 Wisconsin | Unranked | Home |
| 2011 | W 17-7 | No. 16 Illinois | Unranked | Road |
| 2011 | L 27-34 | No. 14 Nebraska | Unranked | Road |
| 2010 | W 31-26 | No. 8 Arkansas | No. 6 | Neutral |
| 2010 | W 20-17 | No. 21 Iowa | No. 8 | Road |
| 2010 | L 18-31 | No. 18 Wisconsin | No. 1 | Road |
| 2010 | W 36-24 | No. 12 Miami | No. 2 | Home |
| 2009 | W 26-17 | No. 7 Oregon | No. 8 | Neutral |
| 2009 | W 27-24 | No. 15 Iowa | No. 10 | Home |
| 2009 | W 24-7 | No. 11 Penn State | No. 15 | Road |
| 2009 | L 15-18 | No. 3 USC | No. 8 | Home |
| 2008 | L 21-24 | No. 3 Texas | No. 10 | Neutral |
| 2008 | L 6-13 | No. 3 Penn State | No. 10 | Home |
| 2008 | W 45-7 | No. 20 Michigan State | No. 12 | Road |
| 2008 | W 20-17 | No. 18 Wisconsin | No. 14 | Road |
| 2008 | L 3-35 | No. 1 USC | No. 5 | Road |
| 2007 | L 24-38 | No. 5 LSU | No. 3 | Home |
| 2007 | W 14-3 | No. 23 Michigan | No. 7 | Road |
| 2007 | W 37-17 | No. 24 Penn State | No. 1 | Road |
| 2007 | W 23-7 | No. 23 Purdue | No. 4 | Road |
| 2006 | L 14-41 | No. 4 Florida | No. 1 | Home |
| 2006 | W 42-39 | No. 2 Michigan | No. 1 | Home |
| 2006 | W 38-17 | No. 13 Iowa | No. 1 | Road |
| 2006 | W 28-6 | No. 24 Penn State | No. 1 | Home |
| 2006 | W 24-7 | No. 2 Texas | No. 1 | Road |
| 2005 | W 34-20 | No. 7 Notre Dame | No. 6 | Home |
| 2005 | W 25-21 | No. 17 Michigan | No. 9 | Road |
| 2005 | W 48-7 | No. 25 Northwestern | No. 10 | Home |
| 2005 | W 35-24 | No. 16 Michigan State | No. 15 | Home |
| 2005 | L 10-17 | No. 16 Penn State | No. 6 | Road |
| 2005 | W 31-6 | No. 21 Iowa | No. 8 | Home |
| 2005 | L 22-25 | No. 2 Texas | No. 4 | Home |
| 2004 | W 33-7 | No. 23 Oklahoma State | No. 25 | Home |
| 2004 | W 37-21 | No. 7 Michigan | Unranked | Home |
| 2004 | L 13-24 | No. 15 Wisconsin | No. 18 | Home |
| 2003 | W 35-28 | No. 13 Kansas State | No. 8 | Home |
| 2003 | L 21-35 | No. 5 Michigan | No. 4 | Road |
| 2003 | W 16-13 | No. 11 Purdue | No. 4 | Home |
| 2003 | W 33-23 | No. 14 Michigan State | No. 7 | Home |
| 2003 | W 19-10 | No. 9 Iowa | No. 8 | Home |
| 2003 | L 10-17 | No. 23 Wisconsin | No. 3 | Road |
| 2003 | W 44-38 | No. 24 NC State | No. 3 | Home |
| 2002 | W 31-24 | No. 1 Miami | No. 2 | Neutral |
| 2002 | W 14-9 | No. 12 Michigan | No. 2 | Home |
| 2002 | W 34-3 | No. 23 Minnesota | No. 6 | Home |
| 2002 | W 13-7 | No. 18 Penn State | No. 4 | Home |
| 2002 | W 25-7 | No. 10 Washington State | No. 6 | Home |
| 2001 | L 28-31 | No. 14 South Carolina | No. 22 | Road |
| 2001 | W 26-20 | No. 11 Michigan | Unranked | Road |
| 2001 | L 22-34 | No. 12 Illinois | No. 25 | Home |
| 2001 | W 38-20 | No. 14 Northwestern | Unranked | Home |
| 2000 | L 7-24 | No. 25 South Carolina | No. 19 | Neutral |
| 2000 | L 26-38 | No. 19 Michigan | No. 12 | Home |
| 2000 | L 27-31 | No. 16 Purdue | No. 12 | Road |
| 2000 | W 23-7 | No. 24 Wisconsin | No. 8 | Road |
| 1999 | L 17-24 | No. 10 Michigan | Unranked | Road |
| 1999 | L 7-23 | No. 19 Michigan State | No. 20 | Road |
| 1999 | W 20-17 | No. 24 Minnesota | No. 22 | Road |
| 1999 | L 10-23 | No. 2 Penn State | No. 18 | Road |
| 1999 | W 25-22 | No. 17 Purdue | No. 21 | Home |
| 1999 | W 42-20 | No. 14 UCLA | No. 13 | Home |
| 1998 | W 24-14 | No. 8 Texas A&M | No. 3 | Neutral |
| 1998 | W 31-16 | No. 15 Michigan | No. 5 | Home |
| 1998 | W 28-9 | No. 13 Penn State | No. 1 | Home |
| 1998 | W 35-14 | No. 25 Missouri | No. 1 | Home |
| 1998 | W 34-17 | No. 20 West Virginia | No. 1 | Road |
| 1997 | L 14-31 | No. 4 Florida State | No. 9 | Neutral |
| 1997 | L 14-20 | No. 1 Michigan | No. 4 | Road |
| 1997 | W 37-13 | No. 21 Michigan State | No. 9 | Road |
| 1997 | L 27-31 | No. 2 Penn State | No. 7 | Road |
| 1997 | W 23-7 | No. 11 Iowa | No. 7 | Home |
| 1996 | W 20-17 | No. 2 Arizona State | No. 4 | Neutral |
| 1996 | L 9-13 | No. 21 Michigan | No. 2 | Home |
| 1996 | W 38-26 | No. 20 Iowa | No. 2 | Road |
| 1996 | W 38-7 | No. 4 Penn State | No. 3 | Home |
| 1996 | W 29-16 | No. 5 Notre Dame | No. 4 | Road |
| 1995 | L 14-20 | No. 4 Tennessee | No. 4 | Neutral |
| 1995 | L 23-31 | No. 18 Michigan | No. 2 | Road |
| 1995 | W 56-35 | No. 25 Iowa | No. 4 | Home |
| 1995 | W 27-16 | No. 21 Wisconsin | No. 4 | Road |
| 1995 | W 28-25 | No. 12 Penn State | No. 5 | Road |
| 1995 | W 45-26 | No. 15 Notre Dame | No. 7 | Home |
| 1995 | W 30-20 | No. 18 Washington | No. 10 | Home |
| 1995 | W 38-6 | No. 22 Boston College | Unranked | Home |
| 1994 | L 17-24 | No. 6 Alabama | No. 13 | Neutral |
| 1994 | W 22-6 | No. 15 Michigan | No. 22 | Home |
| 1994 | L 14-63 | No. 1 Penn State | No. 21 | Road |
| 1994 | L 16-25 | No. 25 Washington | No. 18 | Road |
| 1993 | W 28-21 | No. 19 BYU | No. 11 | Neutral |
| 1993 | W 23-17 | No. 19 Indiana | No. 5 | Home |
| 1993 | T 14-14 | No. 15 Wisconsin | No. 3 | Home |
| 1993 | W 24-6 | No. 12 Penn State | No. 3 | Home |
| 1993 | W 28-21 | No. 25 Michigan State | No. 5 | Home |
| 1993 | W 21-12 | No. 12 Washington | No. 16 | Home |
| 1992 | L 14-21 | No. 8 Georgia | No. 15 | Neutral |
| 1992 | T 13-13 | No. 6 Michigan | No. 17 | Road |
| 1992 | W 35-12 | No. 8 Syracuse | No. 21 | Road |
| 1991 | L 17-24 | No. 16 Syracuse | No. 25 | Neutral |
| 1991 | L 3-31 | No. 4 Michigan | No. 18 | Road |
| 1991 | L 9-16 | No. 11 Iowa | No. 13 | Home |
| 1991 | L 7-10 | No. 20 Illinois | No. 11 | Road |
| 1990 | L 13-16 | No. 13 Michigan | No. 25 | Home |
| 1990 | W 27-26 | No. 13 Iowa | No. 21 | Road |
| 1990 | T 27-27 | No. 20 Indiana | Unranked | Home |
| 1990 | L 20-31 | No. 11 Illinois | Unranked | Home |
| 1990 | L 26-35 | No. 15 USC | No. 20 | Home |
| 1989 | L 14-31 | No. 9 Auburn | No. 21 | Neutral |
| 1989 | L 18-28 | No. 3 Michigan | No. 20 | Road |
| 1989 | L 14-34 | No. 18 Illinois | Unranked | Road |
| 1989 | L 3-42 | No. 12 USC | No. 25 | Road |
| 1988 | L 31-34 | No. 12 Michigan | Unranked | Home |
| 1988 | W 36-33 | No. 7 LSU | Unranked | Home |
| 1987 | L 27-29 | No. 18 Iowa | Unranked | Home |
| 1987 | L 7-13 | No. 15 Michigan State | Unranked | Home |
| 1987 | L 10-31 | No. 20 Indiana | No. 17 | Home |
| 1987 | T 13-13 | No. 7 LSU | No. 9 | Home |
| 1986 | W 28-12 | No. 8 Texas A&M | No. 11 | Neutral |
| 1986 | L 24-26 | No. 4 Michigan | No. 11 | Home |
| 1986 | W 31-10 | No. 16 Iowa | No. 11 | Road |
| 1986 | L 7-40 | No. 7 Washington | Unranked | Road |
| 1985 | W 10-7 | No. 9 BYU | No. 17 | Neutral |
| 1985 | L 17-27 | No. 6 Michigan | No. 12 | Road |
| 1985 | W 22-13 | No. 1 Iowa | No. 8 | Home |
| 1985 | W 23-19 | No. 20 Minnesota | No. 9 | Road |
| 1984 | L 17-20 | No. 18 USC | No. 6 | Neutral |
| 1984 | L 23-28 | No. 14 Purdue | No. 8 | Road |
| 1983 | W 28-23 | No. 15 Pittsburgh | No. 14 | Neutral |
| 1983 | L 21-24 | No. 8 Michigan | No. 14 | Road |
| 1983 | L 13-17 | No. 11 Illinois | No. 17 | Road |
| 1983 | L 14-20 | No. 4 Iowa | No. 8 | Road |
| 1983 | W 24-14 | No. 8 Oklahoma | No. 3 | Road |
| 1982 | W 24-14 | No. 13 Michigan | Unranked | Home |
| 1982 | W 26-21 | No. 15 Illinois | Unranked | Road |
| 1981 | W 14-9 | No. 7 Michigan | Unranked | Road |
| 1980 | L 19-31 | No. 10 Penn State | No. 11 | Neutral |
| 1980 | L 3-9 | No. 7 Michigan | No. 11 | Home |
| 1980 | L 0-17 | No. 5 UCLA | No. 9 | Home |
| 1979 | L 16-17 | No. 3 USC | No. 1 | Neutral |
| 1979 | W 18-15 | No. 16 Michigan | No. 2 | Road |
| 1978 | L 15-17 | No. 7 Clemson | No. 20 | Neutral |
| 1978 | L 3-14 | No. 5 Michigan | No. 20 | Home |
| 1978 | L 16-27 | No. 19 Purdue | Unranked | Road |
| 1978 | L 0-19 | No. 3 Penn State | No. 16 | Home |
| 1977 | L 6-35 | No. 3 Alabama | No. 9 | Neutral |
| 1977 | L 6-14 | No. 4 Michigan | No. 8 | Road |
| 1977 | L 28-29 | No. 1 Oklahoma | No. 6 | Home |
| 1976 | W 27-10 | No. 12 Colorado | No. 11 | Neutral |
| 1976 | L 0-22 | No. 2 Michigan | No. 12 | Home |
| 1976 | T 10-10 | No. 5 UCLA | No. 10 | Road |
| 1976 | L 21-22 | No. 12 Missouri | No. 8 | Home |
| 1976 | W 12-7 | No. 11 Penn State | No. 2 | Road |
| 1975 | L 10-23 | No. 11 UCLA | No. 1 | Neutral |
| 1975 | W 21-14 | No. 4 Michigan | No. 1 | Road |
| 1975 | W 41-20 | No. 13 UCLA | No. 2 | Road |
| 1975 | W 17-9 | No. 7 Penn State | No. 3 | Home |
| 1975 | W 21-0 | No. 11 Michigan State | No. 3 | Road |
| 1974 | L 17-18 | No. 5 USC | No. 3 | Neutral |
| 1974 | W 12-10 | No. 3 Michigan | No. 4 | Home |
| 1974 | W 52-7 | No. 13 Wisconsin | No. 1 | Home |
| 1973 | W 42-21 | No. 7 USC | No. 4 | Neutral |
| 1973 | T 10-10 | No. 4 Michigan | No. 3 | Home |
| 1972 | L 17-42 | No. 1 USC | No. 3 | Neutral |
| 1972 | W 14-11 | No. 3 Michigan | No. 9 | Home |
| 1971 | L 7-10 | No. 3 Michigan | Unranked | Road |
| 1971 | L 14-20 | No. 10 Colorado | No. 6 | Home |
| 1970 | L 17-27 | No. 12 Stanford | No. 2 | Neutral |
| 1970 | W 20-9 | No. 7 Michigan | No. 2 | Home |
| 1969 | L 12-24 | No. 7 Michigan | No. 4 | Road |
| 1969 | W 42-14 | No. 17 Purdue | No. 1 | Home |
| 1968 | W 27-16 | No. 2 USC | No. 1 | Neutral |
| 1968 | W 50-14 | No. 4 Michigan | No. 2 | Home |
| 1968 | W 25-20 | No. 16 Michigan State | No. 2 | Home |
| 1968 | W 13-0 | No. 1 Purdue | No. 4 | Home |
| 1967 | L 6-41 | No. 2 Purdue | Unranked | Home |
| 1966 | L 8-11 | No. 2 Michigan State | Unranked | Home |
| 1965 | L 7-32 | No. 2 Michigan State | Unranked | Road |
| 1963 | W 13-10 | No. 8 Wisconsin | No. 9 | Road |
| 1963 | T 20-20 | No. 7 Illinois | No. 4 | Road |
| 1962 | L 14-18 | No. 3 Northwestern | Unranked | Home |
| 1960 | L 12-35 | No. 2 Iowa | No. 10 | Road |
| 1960 | W 21-10 | No. 17 Michigan State | No. 5 | Road |
| 1960 | L 21-24 | No. 10 Purdue | No. 9 | Road |
| 1959 | L 7-16 | No. 16 Iowa | Unranked | Home |
| 1959 | L 3-12 | No. 10 Wisconsin | Unranked | Road |
| 1959 | W 15-0 | No. 14 Purdue | No. 20 | Home |
| 1959 | L 0-9 | No. 13 Illinois | Unranked | Home |
| 1959 | L 0-17 | No. 6 USC | Unranked | Road |
| 1958 | W 38-28 | No. 6 Iowa | No. 11 | Road |
| 1958 | T 14-14 | No. 8 Purdue | No. 16 | Road |
| 1958 | L 0-21 | No. 4 Northwestern | No. 16 | Road |
| 1958 | T 7-7 | No. 8 Wisconsin | No. 5 | Road |
| 1958 | W 23-20 | No. 17 SMU | No. 3 | Home |
| 1957 | W 10-7 | No. 15 Oregon | No. 2 | Neutral |
| 1957 | W 17-13 | No. 8 Iowa | No. 3 | Home |
| 1957 | L 14-18 | No. 18 TCU | Unranked | Home |
| 1956 | L 0-19 | No. 7 Michigan | No. 20 | Home |
| 1956 | L 0-6 | No. 3 Iowa | No. 12 | Road |
| 1956 | L 6-7 | No. 18 Penn State | No. 9 | Home |
| 1955 | W 17-0 | No. 6 Michigan | No. 9 | Road |
| 1955 | W 20-10 | No. 20 Iowa | No. 10 | Home |
| 1955 | W 26-16 | No. 15 Wisconsin | Unranked | Road |
| 1955 | L 14-20 | No. 11 Duke | No. 14 | Home |
| 1954 | W 20-7 | No. 17 USC | No. 1 | Neutral |
| 1954 | W 21-7 | No. 12 Michigan | No. 1 | Home |
| 1954 | W 26-0 | No. 20 Pittsburgh | No. 2 | Home |
| 1954 | W 31-14 | No. 2 Wisconsin | No. 4 | Home |
| 1954 | W 20-14 | No. 13 Iowa | No. 4 | Home |
| 1954 | W 21-13 | No. 18 California | No. 14 | Home |
| 1953 | L 13-28 | No. 4 Michigan State | Unranked | Home |
| 1953 | L 20-41 | No. 9 Illinois | No. 17 | Home |
| 1952 | L 14-21 | No. 16 Pittsburgh | Unranked | Home |
| 1952 | W 23-14 | No. 10 Wisconsin | No. 14 | Home |
| 1952 | L 14-21 | No. 9 Purdue | No. 16 | Home |
| 1951 | T 0-0 | No. 4 Illinois | Unranked | Road |
| 1951 | T 6-6 | No. 14 Wisconsin | Unranked | Home |
| 1951 | L 20-24 | No. 3 Michigan State | No. 17 | Home |
| 1950 | W 26-14 | No. 19 Indiana | No. 6 | Road |
| 1950 | L 27-32 | No. 2 SMU | No. 12 | Home |
| 1949 | W 17-14 | No. 2 California | No. 5 | Neutral |
| 1949 | L 0-27 | No. 9 Minnesota | No. 11 | Home |
| 1949 | T 13-13 | No. 12 USC | No. 11 | Home |
| 1949 | W 35-34 | No. 18 Missouri | Unranked | Home |
| 1948 | L 7-21 | No. 7 Northwestern | No. 17 | Road |
| 1948 | W 21-7 | No. 9 Missouri | Unranked | Home |
| 1947 | L 0-32 | No. 5 USC | Unranked | Home |
| 1947 | L 20-24 | No. 16 Purdue | Unranked | Road |
| 1946 | L 7-20 | No. 15 Wisconsin | No. 12 | Road |
| 1945 | L 13-35 | No. 18 Purdue | No. 7 | Home |
| 1943 | L 0-13 | No. 9 Northwestern | Unranked | Home |
| 1943 | L 7-30 | No. 2 Purdue | Unranked | Home |
| 1943 | L 13-28 | No. 8 Iowa Pre-Flight | Unranked | Home |
| 1941 | L 7-14 | No. 10 Northwestern | No. 14 | Home |
| 1940 | L 7-21 | No. 13 Cornell | Unranked | Road |
| 1940 | L 7-13 | No. 1 Minnesota | Unranked | Home |
| 1940 | L 3-6 | No. 10 Northwestern | Unranked | Road |
| 1939 | L 14-23 | No. 3 Cornell | No. 12 | Home |
| 1938 | T 0-0 | No. 16 Northwestern | Unranked | Home |
| 1938 | L 7-14 | No. 9 USC | Unranked | Home |
| 1936 | L 13-14 | No. 1 Northwestern | No. 18 | Road |
| 1936 | L 0-6 | No. 5 Pittsburgh | Unranked | Home |
Methodology and coverage
A game qualifies when the opponent was ranked in the AP Top 25 at kickoff. Regular-season games use the poll recorded for that game week; postseason games use the last regular-season AP poll before bowl and playoff results. Final-season rankings never change qualification. Top 5 is a subset of Top 10, and Top 10 is a subset of Top 25. Games without a final score or a matching game-time poll row are excluded. Records use the final scores stored in the database and are not adjusted for wins or losses that were later vacated.
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