| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1972 Summer Olympics
|
Volleyball (Volleyball) |
 KOR |
|
|
|
Yoo Boong-Soo |
|
|
Volleyball, Men
(Olympic)
|
|
Match #4 |
Poland — Tunisia |
Referee #2 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #12 |
Romania — Cuba |
Referee #1 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match 7/8 |
Czechoslovakia — West Germany |
Referee #1 |
|
|
|
1976 Summer Olympics
|
Volleyball (Volleyball) |
KOR |
|
|
|
Yoo Boong-Soo |
|
|
Volleyball, Women
(Olympic)
|
|
Match 5/6 |
Cuba — East Germany |
Referee #2 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #3 |
Japan — Peru |
Referee #2 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #6 |
Japan — Canada |
Referee #1 |
|
|