| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1976 Summer Olympics
|
Water Polo (Aquatics) |
 FRG |
|
|
|
Karl-Heinz Pollmann |
|
|
Water Polo, Men
(Olympic)
|
|
Match #10 |
Canada — Soviet Union |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Netherlands — Mexico |
Referee |
|
|
|
1988 Summer Olympics
|
Water Polo (Aquatics) |
FRG |
|
|
|
Karl-Heinz Pollmann |
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Hungary — Italy |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #3 |
People's Republic of China — Republic of Korea |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
United States — Yugoslavia |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #6 |
Yugoslavia — Hungary |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #8 |
Yugoslavia — Greece |
Referee |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #11 |
Hungary — People's Republic of China |
Goal Judge |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #15 |
Yugoslavia — People's Republic of China |
Referee |
|
|