| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2020 Summer Olympics
|
Water Polo (Aquatics) |
 NED |
|
|
|
Michiel Zwart |
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Serbia — Spain |
Referee #2 |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #1 |
Spain — United States |
Referee #1 |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #2 |
Greece — Hungary |
Referee #1 |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #6 |
Hungary — Japan |
Referee #1 |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #14 |
Greece — United States |
Referee #2 |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #12 |
Croatia — Serbia |
Referee #2 |
|
|
|
Water Polo, Women
(Olympic)
|
|
Match #2 |
ROC — People's Republic of China |
Referee #2 |
|
|