| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As |  | 
| 2004 Summer Olympics | Taekwondo |  GRE |  |  |  | Dimitrios Koukouletas |  | 
|  | Flyweight, Men
(Olympic) |  | Match #4 | Óscar Salazar — Oleksandr Shaposhnyk | Judge |  |  | 
|  | Featherweight, Men
(Olympic) |  | Match #2 | Huang Chih-Hsiung — Tuncay Caliskan | Judge |  |  | 
|  | Featherweight, Men
(Olympic) |  | Match #2 | Gabriel Sagástume — Duncan Mahlangu | Judge |  |  | 
|  | Featherweight, Men
(Olympic) |  | Match #7 | Jesper Roesen — Alejandro Hernando | Judge |  |  | 
|  | Featherweight, Men
(Olympic) |  | Match #2 | Diogo Silva — Carlo Molfetta | Judge |  |  | 
|  | Welterweight, Men
(Olympic) |  | Match #4 | Steven Lopez — Víctor Estrada | Judge |  |  | 
|  | Heavyweight, Men
(Olympic) |  | Match #1 | Ibrahim Kamal — Nguyễn Văn Hùng | Judge |  |  | 
|  | Flyweight, Women
(Olympic) |  | Match #3 | Ivett Gonda — Dalia Contreras | Judge |  |  | 
|  | Flyweight, Women
(Olympic) |  | Match #6 | Ivett Gonda — Jermin Anwar | Judge |  |  | 
|  | Flyweight, Women
(Olympic) |  | Match #8 | Gladys Mora — Juana Wangsa Putri | Judge |  |  | 
|  | Flyweight, Women
(Olympic) |  | Match #2 | Gladys Mora — Sangina Baidya | Referee |  |  | 
|  | Featherweight, Women
(Olympic) |  | Match #2 | Iridia Salazar — Paola Andrea Delgado | Judge |  |  | 
|  | Welterweight, Women
(Olympic) |  | Match #2 | Hwang Gyeong-Seon — Toni Rivero | Judge |  |  | 
|  | Heavyweight, Women
(Olympic) |  | Match 3/4 | Adriana Carmona — Natália Falavigna | Judge |  |  | 
|  | Heavyweight, Women
(Olympic) |  | Match #2 | Chen Zhong — Natália Falavigna | Referee |  |  | 
|  | Heavyweight, Women
(Olympic) |  | Match #5 | Natália Falavigna — Tina Morgan | Judge |  |  | 
|  | Heavyweight, Women
(Olympic) |  | Match #8 | Adriana Carmona — Sarah Stevenson | Judge |  |  |