| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2018 Summer Youth Olympics
|
Hockey 5s |
 AUS |
|
|
|
Jim Unkles |
|
|
Hockey 5s, Boys
(YOG)
|
|
Match 7/8 |
Austria — Bangladesh |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match 9/10 |
Mexico — Canada |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #3 |
Malaysia — Austria |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #1 |
Poland — Bangladesh |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #3 |
Argentina — Zambia |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #4 |
Zambia — Poland |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #6 |
Argentina — Vanuatu |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #7 |
Malaysia — Zambia |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #10 |
Mexico — Zambia |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #12 |
Argentina — Malaysia |
Umpire |
|
|
|
Hockey 5s, Boys
(YOG)
|
|
Match #14 |
Malaysia — Poland |
Umpire |
|
|