65) 1983–84[111][112] 25/01/1984 (R16 L1) Athletic Bilbao Real Sociedad 0–0 – – 08/02/1984 (R16 L2) Real Sociedad Athletic Bilbao 1–1[lower-alpha 7][lower-alpha 8] Celayeta (49) Sarabia (60) 1984–85[113][114][115] 17/04/1985 (QF L1) Athletic Bilbao Real Sociedad 2–0 Dani (25), J. Salinas (54) – 16/05/1985 (QF L2) Real Sociedad Athletic Bilbao 2–1 Uralde (88), Zamora (90) Gallego (22) 1986–87[116][117][118] 03/06/1987 (SF L1) Real Sociedad Athletic Bilbao 0–0 – – 10/06/1987 (SF L2) Athletic Bilbao Real Sociedad 0–1[lower-alpha 9] – J. Bakero (25) 2019–20[24] 03/04/2021[25] (Final)[lower-alpha 10] Athletic Bilbao Real Sociedad 0–1 – Oyarzabal (p.