Ohio State Leads Series 64-14-1
| Game | Date | Location | Stadium | Winner | Score |
|---|---|---|---|---|---|
| 1 | November 22, 1913 | Columbus | Ohio Field | Ohio State | 58-0 |
| 2 | November 21, 1914 | Columbus | Ohio Field | Ohio State | 27-0 |
| 3 | November 20, 1915 | Evanston | Northwestern Field | Ohio State | 34-0 |
| 4 | November 25, 1916 | Columbus | Ohio Field | Ohio State | 23-3 |
| 5 | October 13, 1917 | Columbus | Ohio Field | Ohio State | 40-0 |
| 6 | October 15, 1927 | Columbus | Ohio Stadium | Northwestern | 19-13 |
| 7 | October 13, 1928 | Evanston | Dyche Stadium | Ohio State | 10-0 |
| 8 | November 9, 1929 | Columbus | Ohio Stadium | Northwestern | 18-6 |
| 9 | October 11, 1930 | Evanston | Dyche Stadium | Northwestern | 19-2 |
| 10 | October 24, 1931 | Columbus | Ohio Stadium | Northwestern | 10-0 |
| 11 | November 5, 1932 | Evanston | Dyche Stadium | Ohio State | 20-6 |
| 12 | October 28, 1933 | Columbus | Ohio Stadium | Ohio State | 12-0 |
| 13 | October 27, 1934 | Evanston | Dyche Stadium | Ohio State | 28-6 |
| 14 | October 19, 1935 | Columbus | Ohio Stadium | Ohio State | 28-7 |
| 15 | October 17, 1936 | Evanston | Dyche Stadium | Northwestern | 14-13 |
| 16 | October 23, 1937 | Columbus | Ohio Stadium | #12 Ohio State | 7-0 |
| 17 | October 15, 1938 | Evanston | Dyche Stadium | Tie | 0-0 |
| 18 | October 14, 1939 | Columbus | Ohio Stadium | Ohio State | 13-0 |
| 19 | October 12, 1940 | Evanston | Dyche Stadium | Northwestern | 6-3 |
| 20 | October 25, 1941 | Columbus | Ohio Stadium | #13 Northwestern | 14-7 |
| 21 | October 24, 1942 | Evanston | Dyche Stadium | #1 Ohio State | 20-6 |
| 22 | October 23, 1943 | Columbus | Ohio Stadium | #17 Northwestern | 13-0 |
| 23 | November 3, 1945 | Columbus | Ohio Stadium | #6 Ohio State | 16-14 |
| 24 | November 2, 1946 | Evanston | Dyche Stadium | Ohio State | 39-27 |
| 25 | November 8, 1947 | Columbus | Ohio Stadium | Ohio State | 7-6 |
| 26 | October 30, 1948 | Evanston | Dyche Stadium | #9 Northwestern | 21-7 |
| 27 | October 29, 1949 | Columbus | Ohio Stadium | #18 Ohio State | 24-7 |
| 28 | November 4, 1950 | Evanston | Dyche Stadium | #4 Ohio State | 32-0 |
| 29 | November 3, 1951 | Columbus | Ohio Stadium | Ohio State | 3-0 |
| 30 | November 1, 1952 | Evanston | Dyche Stadium | Ohio State | 24-21 |
| 31 | October 31, 1953 | Columbus | Ohio Stadium | Ohio State | 27-13 |
| 32 | October 30, 1954 | Evanston | Dyche Stadium | #1 Ohio State | 14-7 |
| 33 | October 29, 1955 | Columbus | Ohio Stadium | #15 Ohio State | 49-0 |
| 34 | November 3, 1956 | Evanston | Dyche Stadium | #6 Ohio State | 6-2 |
| 35 | November 2, 1957 | Columbus | Ohio Stadium | #8 Ohio State | 47-6 |
| 36 | November 1, 1958 | Evanston | Dyche Stadium | #11 Northwestern | 21-0 |
| 37 | October 21, 1961 | Evanston | Dyche Stadium | #7 Ohio State | 10-0 |
| 38 | October 20, 1962 | Columbus | Ohio Stadium | #8 Northwestern | 18-14 |
| 39 | November 16, 1963 | Columbus | Ohio Stadium | Northwestern | 17-8 |
| 40 | November 14, 1964 | Columbus | Ohio Stadium | #7 Ohio State | 10-0 |
| 41 | October 21, 1967 | Evanston | Dyche Stadium | Ohio State | 6-2 |
| 42 | October 19, 1968 | Columbus | Ohio Stadium | #2 Ohio State | 45-21 |
| 43 | November 1, 1969 | Evanston | Dyche Stadium | #1 Ohio State | 35-6 |
| 44 | October 31, 1970 | Columbus | Ohio Stadium | #2 Ohio State | 24-10 |
| 45 | November 13, 1971 | Columbus | Ohio Stadium | Northwestern | 14-10 |
| 46 | November 18, 1972 | Evanston | Dyche Stadium | #9 Ohio State | 27-14 |
| 47 | October 27, 1973 | Columbus | Ohio Stadium | #1 Ohio State | 60-0 |
| 48 | October 26, 1974 | Evanston | Dyche Stadium | #1 Ohio State | 55-7 |
| 49 | October 22, 1977 | Evanston | Dyche Stadium | #4 Ohio State | 35-15 |
| 50 | October 28, 1978 | Columbus | Ohio Stadium | Ohio State | 63-20 |
| 51 | October 6, 1979 | Columbus | Ohio Stadium | #8 Ohio State | 16-7 |
| 52 | October 11, 1980 | Evanston | Dyche Stadium | #9 Ohio State | 63-0 |
| 53 | November 14, 1981 | Columbus | Ohio Stadium | Ohio State | 70-6 |
| 54 | November 13, 1982 | Evanston | Dyche Stadium | Ohio State | 40-28 |
| 55 | November 12, 1983 | Columbus | Ohio Stadium | #10 Ohio State | 55-7 |
| 56 | November 10, 1984 | Evanston | Dyche Stadium | #13 Ohio State | 52-3 |
| 57 | November 9, 1985 | Evanston | Dyche Stadium | #4 Ohio State | 35-17 |
| 58 | November 8, 1986 | Columbus | Ohio Stadium | #11 Ohio State | 30-9 |
| 59 | November 4, 1989 | Evanston | Dyche Stadium | Ohio State | 52-27 |
| 60 | November 3, 1990 | Columbus | Ohio Stadium | Ohio State | 48-7 |
| 61 | October 19, 1991 | Cleveland | Cleveland Stadium | #18 Ohio State | 34-3 |
| 62 | October 17, 1992 | Columbus | Ohio Stadium | Ohio State | 31-7 |
| 63 | October 2, 1993 | Columbus | Ohio Stadium | #7 Ohio State | 51-3 |
| 64 | October 1, 1994 | Evanston | Dyche Stadium | #20 Ohio State | 17-15 |
| 65 | October 25, 1997 | Columbus | Ohio Stadium | #9 Ohio State | 49-6 |
| 66 | October 24, 1998 | Evanston | Ryan Field | #1 Ohio State | 36-10 |
| 67 | October 6, 2001 | Columbus | Ohio Stadium | Ohio State | 38-20 |
| 68 | October 5, 2002 | Evanston | Ryan Field | #5 Ohio State | 27-16 |
| 69 | September 27, 2003 | Columbus | Ohio Stadium | #4 Ohio State | 20-0 |
| 70 | October 2, 2004 | Evanston | Ryan Field | Northwestern | 33-27 OT |
| 71 | November 12, 2005 | Columbus | Ohio Stadium | #10 Ohio State | 48-7 |
| 72 | November 11, 2006 | Evanston | Ryan Field | #1 Ohio State | 54-10 |
| 73 | September 22, 2007 | Columbus | Ohio Stadium | #9 Ohio State | 58-7 |
| 74 | November 8, 2008 | Evanston | Ryan Field | #12 Ohio State | 45-10 |
| 75 | October 5, 2013 | Evanston | Ryan Field | #4 Ohio State | 40-30 |
| 76 | October 29, 2016 | Columbus | Ohio Stadium | #6 Ohio State | 24-20 |
| 77 | December 1, 2018 | Indianapolis | Lucas Oil Stadium | #6 Ohio State* | 45-24 |
| 78 | October 18, 2019 | Evanston | Ryan Field | #4 Ohio State | 52-3 |
| 79 | December 19, 2020 | Indianapolis | Lucas Oil Stadium | #4 Ohio State* | 22-10 |
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*Big Ten Championship