| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1960 Summer Olympics
|
Hockey |
 BEL |
|
|
|
H. Asselman |
|
|
Hockey, Men
(Olympic)
|
|
Quarter-Finals |
Pakistan — Unified Team of Germany |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Classification Round 5-8 |
Australia — New Zealand |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Classification Round 13-16 |
Japan — Switzerland |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
India — Netherlands |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Australia — Poland |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group C |
Unified Team of Germany — Italy |
Umpire 2 |
|
|