Statistics of Emperor's Cup in the 1931 season.
Overview It was contested by 7 teams, and Imperial University of Tokyo LB won the cup.
Results Quarterfinals Kwansei Gakuin University 1–2 Imperial University of Tokyo LB Hakodate Shukyu-dan 0–2 Nagoya Shukyu-dan Toyama Shihan Club 1–5 Kobun Junior High School
Semifinals II School Club 0–2 Imperial University of Tokyo LB Nagoya Shukyu-dan 1–3 Kobun Junior High School
Final
Imperial University of Tokyo LB 5–1 Kobun Junior High School Imperial University of Tokyo LB won the cup.
References NHK