| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2012 Summer Olympics
|
Tennis |
 USA |
|
|
|
Tony Nimmons |
|
|
Singles, Men
(Olympic)
|
|
Match #21 |
Richard Gasquet — Robin Haase |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #2 |
Israel — Switzerland |
Chair Umpire |
|
|
|
Doubles, Men
(Olympic)
|
|
Match #12 |
Spain 1 — Poland |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #4 |
Angelique Kerber — Tímea Babos |
Chair Umpire |
|
|
|
Singles, Women
(Olympic)
|
|
Match #13 |
Petra Kvitová — Peng Shuai |
Chair Umpire |
|
|
|
Doubles, Women
(Olympic)
|
|
Match #2 |
Poland 1 — Slovakia |
Chair Umpire |
|
|
|
Doubles, Women
(Olympic)
|
|
Match #6 |
People's Republic of China 2 — Argentina |
Chair Umpire |
|
|
|
Doubles, Women
(Olympic)
|
|
Match #7 |
Chinese Taipei — India |
Chair Umpire |
|
|