| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Table Tennis |
 RSA |
|
|
|
Geneviève Lentz |
|
|
Singles, Women
(Olympic)
|
|
Semi-finals |
Ding Ning — Feng Tianwei |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Three |
Kasumi Ishikawa — Li Qiangbing |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Eliza Samara — Dina Meshref |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round One |
Miao Miao — Dana Hadačová |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Final Round |
Dimitrij Ovtcharov — Chuang Chih-Yuan |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
El-Sayed Lashin — Zoran Primorac |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Quadri Aruna — Carlos Machado |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Dániel Zwickl — Allan Bentsen |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Preliminary Round |
Andy Pereira — Yoshua Shing |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Round One |
Republic of Korea — Democratic People's Republic of Korea |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
Singapore — Republic of Korea |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Germany — Australia |
Umpire |
|
|