All-Time Head-to-Head

TeamOpponent

The Game Army–Navy Holy War Iron Bowl Red River The Game (Ivy)

Washington State vs

Idaho

Series

63–8–2

Washington State leads

Average Score

25.3–9.0

73 games

Current Streak

Washington State

Longest Streak

Washington State, 1928–1949

Season	Date	Winner	Score
2025	2025-09-01	Washington State	13–10
2016	2016-09-20	Washington State	56–6
2013	2013-09-24	Washington State	42–0
2007	2007-09-18	Washington State	45–28
2006	2006-09-12	Washington State	56–10
2005	2005-09-06	Washington State	38–26
2004	2004-09-21	Washington State	49–8
2003	2003-09-02	Washington State	25–0
2002	2002-09-10	Washington State	49–14
2001	2001-09-04	Washington State	36–7
2000	2000-09-26	Idaho	34–38
1999	1999-09-21	Idaho	17–28
1998	1998-09-22	Washington State	24–16
1989	1989-09-05	Washington State	41–7
1982	1982-09-14	Washington State	34–14
1978	1978-09-19	Washington State	28–0
1977	1977-11-15	Washington State	45–17
1976	1976-10-05	Washington State	45–6
1975	1975-11-18	Washington State	84–27
1974	1974-09-24	Washington State	17–10
1973	1973-10-02	Washington State	51–24
1972	1972-10-10	Washington State	35–14
1970	1970-09-22	Washington State	44–16
1968	1968-09-24	Washington State	14–7
1967	1967-11-14	Washington State	52–14
1966	1966-10-25	Washington State	14–7
1965	1965-10-05	Idaho	13–17
1964	1964-10-27	Idaho	13–28
1963	1963-11-05	Washington State	14–10
1962	1962-11-20	Washington State	22–14
1961	1961-10-17	Washington State	34–0
1960	1960-11-15	Washington State	18–7
1959	1959-10-27	Washington State	27–5
1958	1958-10-14	Washington State	8–0
1957	1957-11-19	Washington State	21–13
1956	1956-10-09	Washington State	33–19
1955	1955-10-18	Washington State	9–0
1954	1954-10-26	Idaho	0–10
1953	1953-10-20	Washington State	30–13
1952	1952-11-04	Washington State	36–6
1951	1951-11-13	Washington State	9–6
1950	1950-10-31	Tie	7–7
1949	1949-10-18	Washington State	35–13
1948	1948-11-02	Washington State	19–14
1947	1947-10-07	Washington State	7–0
1946	1946-10-08	Washington State	32–0
1945	1945-10-30	Washington State	21–0
1945	1945-10-02	Washington State	43–12
1942	1942-11-17	Washington State	7–0
1941	1941-11-11	Washington State	26–0
1940	1940-11-05	Washington State	26–0
1939	1939-11-14	Washington State	21–13
1938	1938-11-15	Washington State	12–0
1937	1937-10-05	Washington State	13–0
1936	1936-10-13	Washington State	14–0
1935	1935-11-12	Washington State	6–0
1934	1934-11-13	Washington State	19–0
1933	1933-11-14	Washington State	14–6
1932	1932-11-08	Washington State	12–0
1931	1931-11-10	Washington State	9–8
1930	1930-11-11	Washington State	33–7
1929	1929-11-12	Washington State	41–7
1928	1928-11-06	Washington State	26–0
1927	1927-11-15	Tie	7–7
1926	1926-11-09	Washington State	6–0
1925	1925-10-20	Idaho	6–7
1924	1924-10-21	Idaho	3–19
1923	1923-10-23	Idaho	0–14
1922	1922-10-24	Washington State	18–9
1921	1921-10-25	Washington State	20–3
1920	1920-10-19	Washington State	14–7
1919	1919-11-04	Washington State	37–0
1917	1917-11-06	Washington State	19–0

Scores read Washington State first. Dates are the ranking release that included the game. Games come from the published weekly rankings.