| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Table Tennis |
 PAR |
|
|
|
Andrés Larroza |
|
|
Singles, Women
(Olympic)
|
|
Quarter-finals |
Li Xiaoxia — Jiao Li |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Four |
Feng Tianwei — Jiaduo Wu |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Kim Jong — Cornelia Vajda-Molnar |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Aliaksandra Privalova — Xing Han |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Preliminary Round |
Dina Meshref — Offiong Edem |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Semi-finals |
Zhang Jike — Dimitrij Ovtcharov |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Jiang Tianyi — Aleksey Smirnov |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Chuang Chih-Yuan — Dániel Zwickl |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Aleksey Smirnov — Matīss Burģis |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Marcos Freitas — Luis Lin |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Round One |
Portugal — Great Britain |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Semi-finals |
Japan — Singapore |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Quarter-finals |
Japan — Germany |
Umpire |
|
|