| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2000 Summer Olympics
|
Hockey |
 GER |
|
|
|
Christian Siebrecht |
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
Netherlands — Republic of Korea |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Semi-Finals |
Republic of Korea — Pakistan |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Australia — Poland |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Australia — India |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
India — Spain |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Republic of Korea — Poland |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
India — Poland |
Umpire 2 |
|
|