| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Artistic Gymnastics (Gymnastics) |
 HKG |
|
|
|
Yuen Ka-Keung |
|
|
Individual All-Around, Men
(Olympic)
|
|
Qualification |
Pommelled Horse |
Execution Judge 5 |
|
|
|
Individual All-Around, Men
(Olympic)
|
|
Final |
Pommelled Horse |
Execution Judge 2 |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Qualification |
Pommelled Horse |
Execution Judge 5 |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Final |
Parallel Bars |
Execution Judge 3 |
|
|
|
Horse Vault, Men
(Olympic)
|
|
Final |
|
Execution Judge 1 |
|
|
|
Pommelled Horse, Men
(Olympic)
|
|
Qualification |
|
Execution Judge 5 |
|
|
|
2016 Summer Olympics
|
Artistic Gymnastics (Gymnastics) |
HKG |
|
|
|
Yuen Ka-Keung |
|
|
Individual All-Around, Men
(Olympic)
|
|
Qualification |
Floor Exercise |
Execution Judge 1 |
|
|
|
Individual All-Around, Men
(Olympic)
|
|
Final |
Pommelled Horse |
Execution Judge 4 |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Qualification |
Floor Exercise |
Execution Judge 1 |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Final |
Parallel Bars |
Execution Judge 2 |
|
|
|
Floor Exercise, Men
(Olympic)
|
|
Qualification |
|
Execution Judge 1 |
|
|
|
Parallel Bars, Men
(Olympic)
|
|
Final |
|
Execution Judge 3 |
|
|