| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Table Tennis |
 GBR |
|
|
|
John Mackey |
|
|
Singles, Women
(Olympic)
|
|
Round Four |
Kim Gyeong-A — Yanfei Shen |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Three |
Kasumi Ishikawa — Li Qiangbing |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Kim Jong — Cornelia Vajda-Molnar |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Eliza Samara — Dina Meshref |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Aliaksandra Privalova — Xing Han |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Preliminary Round |
Dina Meshref — Offiong Edem |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Quarter-finals |
Chuang Chih-Yuan — Adrian Crișan |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Four |
Michael Maze — Jun Mizutani |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Uladzimir Samsonau — William Henzell |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Andrej Gaćina — Aleksandr Shibayev |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
El-Sayed Lashin — Zoran Primorac |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
People's Republic of China — Japan |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Quarter-finals |
Japan — Germany |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Netherlands — Egypt |
Umpire |
|
|