| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2020 Summer Olympics
|
Table Tennis |
 CZE |
|
|
|
Roman Klecker |
|
|
Singles, Men
(Olympic)
|
|
Semi-Finals |
Ma Long — Dimitrij Ovtcharov |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Four |
Lin Yun-Ju — Gustavo Tsuboi |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Four |
Omar Assar — Chuang Chih-Yuan |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Timo Boll — Kirill Gerasimenko |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Three |
Hugo Calderano — Bojan Tokič |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Lam Siu Hang — Sathiyan Gnanasekaran |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round Two |
Paul Drinkhall — Robert Gardos |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Bojan Tokič — Jeremy Hazin |
Umpire |
|
|
|
Singles, Men
(Olympic)
|
|
Round One |
Kirill Skachkov — Dimitrije Levajac |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Quarter-Finals |
Republic of Korea — Brazil |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Quarter-Finals |
Republic of Korea — Brazil |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Quarter-Finals |
Jang Wu-Jin — Hugo Calderano |
Umpire |
|
|
|
Team, Men
(Olympic)
|
|
Quarter-Finals |
Jeong Yeong-Sik — Gustavo Tsuboi |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Round Two |
Juan Liu — Barbora Balážová |
Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Preliminary Round |
Chelsea Edghill — Sally Yee |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
Hong Kong, China — Germany |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
Germany — Hong Kong, China |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
Minnie Soo — Ying Han |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
Doo Hoi Kem — Petrissa Solja |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Final Round |
Minnie Soo — Xiaona Shan |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Germany — Australia |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Germany — Australia |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Ying Han — Jian-Fang Lay |
Umpire |
|
|
|
Team, Women
(Olympic)
|
|
Round One |
Xiaona Shan — Michelle Bromley |
Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Final Round |
Japan — People's Republic of China |
Umpire |
|
|
|
Doubles, Mixed
(Olympic)
|
|
Round One |
Germany — Cuba |
Umpire |
|
|