1985 King Cup

The 1985 King Cup was the 27th season of the knockout competition since its establishment in 1956. Al-Hilal were the defending champions but they were eliminated by eventual champions Al-Ettifaq in the final. This was the first edition of the competition to have 16 teams participate instead of 32.
Al-Ettifaq won their 2nd title after defeating Al-Hilal 1–0 in the final.

Bracket

Note: H: Home team, A: Away team
Source:

Round of 16

The matches of the Round of 16 were played on 4 and 5 February 1985.

Home team	Score	Away team
Al-Ettifaq	1–0	Al-Shabab
Al-Wadie	1–0	Al-Wehda
Al-Taawoun	0–1	Al-Hilal
Al-Kawkab	2–1	Al-Jabalain
Radhwah	0–2	Al-Ahli [Saudi FC\|Al-Ahli]
Al-Nahda	3–1	Al-Nassr
Ohod	1–3	Al-Ittihad
Al-Qadsiah	3–0	Al-Riyadh

Quarter-finals

The Quarter-final matches were held on 11 and 12 February 1985.

Home team	Score	Away team
Al-Ittihad	0–1	Al-Ahli
Al-Ettifaq	2–0	Al-Wadie
Al-Qadsiah	0–0	Al-Nahda
Al-Hilal	2–0	Al-Kawkab

Semi-finals

The four winners of the quarter-finals progressed to the semi-finals. The semi-finals were played on 18 February 1985. All times are local, Arabia [Standard Time|AST].

Final

The final was played between Al-Hilal and Al-Ettifaq in the Youth Welfare Stadium in Al-Malaz, Riyadh. Al-Hilal were appearing in their 10th final while Al-Ettifaq were making their 5th appearance in the final.