| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1968 Summer Olympics
|
Volleyball (Volleyball) |
 BEL |
|
|
|
Lucien Van Welden |
|
|
Volleyball, Men
(Olympic)
|
|
Match #1 |
Japan — Poland |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #14 |
Soviet Union — Bulgaria |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #27 |
Soviet Union — Japan |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #35 |
East Germany — Brazil |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #43 |
Japan — Bulgaria |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #45 |
Soviet Union — Czechoslovakia |
Referee #1 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #6 |
Czechoslovakia — United States |
Referee #2 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #11 |
Poland — United States |
Referee #2 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #15 |
Japan — Czechoslovakia |
Referee #1 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #23 |
Poland — Czechoslovakia |
Referee #2 |
|
|
|
1972 Summer Olympics
|
Volleyball (Volleyball) |
BEL |
|
|
|
Lucien Van Welden |
|
|
Volleyball, Men
(Olympic)
|
|
Match 1/2 |
Japan — East Germany |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match 11/12 |
West Germany — Tunisia |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #2 |
Czechoslovakia — Poland |
Referee #2 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #2 |
Japan — Romania |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #8 |
Japan — East Germany |
Referee #1 |
|
|
|
Volleyball, Men
(Olympic)
|
|
Match #15 |
East Germany — Romania |
Referee #2 |
|
|
|
Volleyball, Women
(Olympic)
|
|
Match #2 |
Soviet Union — Democratic People's Republic of Korea |
Referee #2 |
|
|