Season Date Home team Away team Score 1913–14[125][126] 07/12/1913 Real Sociedad Athletic Bilbao 1–1 15/02/1914 Athletic Bilbao Real Sociedad 3–2 1915–16[125][127] 24/10/1915 Real Sociedad Athletic Bilbao 2–0 09/01/1916 Athletic Bilbao Real Sociedad 4–0 1917–18[125][128] 28/10/1917 Athletic Bilbao Real Sociedad 1–0 08/12/1917 Real Sociedad Athletic Bilbao 0–0 27/01/1918 Athletic Bilbao Real Sociedad 2–0 17/02/1918 Real Sociedad Athletic Bilbao 2–2