| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Hockey |
 POL |
|
|
|
Marcin Grochal |
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
New Zealand — Argentina |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — South Africa |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Pakistan — Argentina |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — Republic of Korea |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
Belgium — Spain |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — New Zealand |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Germany — India |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — Germany |
Reserve |
|
|
|
2016 Summer Olympics
|
Hockey |
POL |
|
|
|
Marcin Grochal |
|
|
Hockey, Men
(Olympic)
|
|
Semi-Finals |
Argentina — Germany |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Quarter-Finals |
Netherlands — Australia |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Spain — Brazil |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Great Britain — New Zealand |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Belgium — Australia |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — Great Britain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Spain — Great Britain |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — Brazil |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Germany — India |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — India |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Argentina — Germany |
Reserve |
|
|
|
2020 Summer Olympics
|
Hockey |
POL |
|
|
|
Marcin Grochal |
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
Belgium — Australia |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Semi-Finals |
Australia — Germany |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Quarter-Finals |
Australia — Netherlands |
Video Umpire |
|
|
|
Hockey, Men
(Olympic)
|
|
Quarter-Finals |
India — Great Britain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — India |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
India — Spain |
Video Umpire |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Australia — New Zealand |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Belgium — Netherlands |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Great Britain — South Africa |
Video Umpire |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Great Britain — Canada |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Germany — Great Britain |
Video Umpire |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — Great Britain |
Video Umpire |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Germany — Netherlands |
Umpire 1 |
|
|