1981 JSL Cup

1st round

• Honda 3-0 Tanabe Pharmaceuticals
• Toshiba 2-1 Sumitomo Metals
• Yomiuri 1-2 Nippon Kokan
• Mitsubishi Motors 4-0 Teijin Matsuyama

2nd round

• Kofu 3-2 Nagoya
• Honda 0-3 Furukawa Electric
• Yamaha Motors 2-4 Toshiba
• Nissan Motors 3-0 Nippon Steel
• Hitachi 5-1 Toyota Motors
• Nippon Kokan 1-2 Fujita Industries
• Yanmar Diesel 3-5 Mitsubishi Motors
• Mazda 0-2 Fujitsu

Quarterfinals

• Kofu 1-6 Furukawa Electric
• Toshiba 3-1 Nissan Motors
• Hitachi 3-5 Fujita Industries
• Mitsubishi Motors 1-1 (PK 5–3) Fujitsu

Semifinals

• Furukawa Electric 2-2 (PK 2–3) Toshiba
• Fujita Industries 2-4 Mitsubishi Motors

Final

• Toshiba 4-4 Mitsubishi Motors

Toshiba and Mitsubishi Motors won the championship