| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Table Tennis |
 GBR |
|
|
|
Jonathan Whitaker |
|
|
Singles, Women
(Olympic)
|
|
Semi-finals |
Li Xiaoxia — Kasumi Ishikawa |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Four |
Feng Tianwei — Jiaduo Wu |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Chen Szu-Yu — Krisztina Tóth |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Xue Li — Jian-Fang Lay |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Sara Ramírez — Ankita Das |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Yuan Tian — Berta Rodríguez |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Four |
Jiang Tianyi — Kim Hyok-Bong |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Kim Hyok-Bong — Ju Se-Hyeok |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Timo Boll — Noshad Alamian |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Kallinikos Kreangka — Jean-Michel Saive |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Bojan Tokič — Song Liu |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Zengyi Wang — Hugo Hoyama |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Preliminary Round |
Kim Song-Nam — Timothy Wang |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Round One |
Hong Kong, China — Brazil |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Semi-finals |
People's Republic of China — Republic of Korea |
Umpire |
|
|