| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Table Tennis |
 USA |
|
|
|
Saul Weinstein |
|
|
Singles, Women
(Olympic)
|
|
Quarter-finals |
Feng Tianwei — Kim Gyeong-A |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Four |
Ding Ning — Jiang Huajun |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Three |
Jiang Huajun — Kim Jong |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Wenling Tan Monfardini — Funke Oshonaike |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Krisztina Tóth — Fabiola Ramos |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Four |
Zhang Jike — Uladzimir Samsonau |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Zhang Jike — Bora Vang |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
William Henzell — João Pedro Monteiro |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Noshad Alamian — Tang Peng |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Oleksandr Didukh — Marcelo Aguirre |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Mihai Bobocica — Andy Pereira |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Quarter-finals |
People's Republic of China — Singapore |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Hong Kong, China — Austria |
Umpire |
|
|