| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1936 Summer Olympics
|
Water Polo (Aquatics) |
 JPN |
|
|
|
Shun Matsumoto |
|
|
Water Polo, Men
(Olympic)
|
|
Match #3 |
United States — Uruguay |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #5 |
Netherlands — Uruguay |
Goal Judge |
|
|
|
1964 Summer Olympics
|
Water Polo (Aquatics) |
JPN |
|
|
|
Shun Matsumoto |
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Soviet Union — Italy |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Romania — Netherlands |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Netherlands — Brazil |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Hungary — Belgium |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #3 |
Belgium — United Arab Republic |
Goal Judge |
|
|