The 1987 King Cup was the 29th season of the knockout competition since its establishment in 1956. Al-Nassr were the defending champions and successfully defended their title by beating Al-Hilal 1–0 in the final.[1] They became the first team since Al-Ahli in 1979 to successfully defend the title.
The final was played between city rivals Al-Hilal and Al-Nassr at the Youth Welfare Stadium in Al-Malaz, Riyadh.[7][8] Al-Hilal were appearing in their 11th while Al-Nassr were appearing in their 8th final. Al-Nassr were the defending champions.