1971 Japan Soccer League
Promotion/relegation Series
Nagoya Mutual Bank lost its place in the League for a second time, this time to Towa Real Estate, which would become one of the biggest names in Japanese football as Fujita Engineering and Bellmare Hiratsuka, currently known as Shonan Bellmare.| JSL | 1st leg | 2nd leg | Senior Cup |
| Nippon Kokan | 2–2 | 0–0 | Tanabe Pharmaceutical |
| Nagoya Mutual Bank | 0–0 | 0–1 | Towa Real Estate |
Towa RE promoted, Nagoya Mutual Bank relegated; NMB resigned from JSL instead of forming Second Division.