1990 JSL Cup

Statistics of JSL Cup in the 1990 season.

Overview
It was contested by 28 teams, and Nissan Motors won the championship.

1st round

 * Toyota Motors 2-0 Kawasaki Steel
 * NKK 3-0 Toho Titanium
 * Mazda 2-2 (PK 4–3) Kyoto Shiko
 * All Nippon Airways 4-0 Nippon Steel
 * Matsushita Electric 1-2 Fujitsu
 * Hitachi 1-1 (PK 3–2) Sumitomo Metals
 * Toshiba 3-0 Tanabe Pharmaceuticals
 * Furukawa Electric 4-1 Kofu
 * Yanmar Diesel 1-0 Mitsubishi Motors
 * NTT Kanto 2-0 Osaka Gas
 * Honda 2-1 Yomiuri Juniors
 * Cosmo Oil 2-0 Otsuka Pharmaceutical

2nd round

 * Nissan Motors 3-0 Toyota Motors
 * NKK 0-3 Mazda
 * All Nippon Airways 1-1 (PK 4–2) Fujitsu
 * Hitachi 0-4 Yomiuri
 * Yamaha Motors 1-0 Toshiba
 * Furukawa Electric 1-1 (PK 4–1) Yanmar Diesel
 * NTT Kanto 0-2 Honda
 * Cosmo Oil 3-1 Fujita Industries

Quarterfinals

 * Nissan Motors 1-0 Mazda
 * All Nippon Airways 1-0 Yomiuri
 * Yamaha Motors 1-1 (PK 4–5) Furukawa Electric
 * Honda 1-0 Cosmo Oil

Semifinals

 * Nissan Motors 1-0 All Nippon Airways
 * Furukawa Electric 0-0 (PK 4–3) Honda

Final
Nissan Motors won the championship
 * Nissan Motors 3-1 Furukawa Electric