| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As |  | 
| 2004 Summer Olympics | Fencing |  GRE |  |  |  | Andreas Douvis |  | 
|  | Épée, Individual, Men
(Olympic) |  | Quarter-Finals | Éric Boisse — Fabrice Jeannet | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Three | Éric Boisse — Andrés Carrillo | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Three | Fabrice Jeannet — Lee Sang-Yeop | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Éric Boisse — Siriroj Rathprasert | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Andrés Carrillo — Hugues Obry | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Lee Sang-Yeop — Maksym Khvorost | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Fabrice Jeannet — Sergey Kochetkov | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round One | Siriroj Rathprasert — Muhannad Saif El-Din | Assistant Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round One | Sergey Kochetkov — Aissam Rami | Assistant Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Three | Zsolt Nemcsik — Domonkos Ferjancsik | Assistant Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Three | Mihai Covaliu — Rafał Sznajder | Assistant Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Two | Sergey Sharikov — Cándido Maya | Assistant Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Two | Julien Pillet — Oh Eun-Seok | Assistant Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Two | Keeth Smart — Gaël Touya | Assistant Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round One | Huang Yaojiang — Nassim Islam Bernaoui | Assistant Referee |  |  | 
|  | Épée, Team, Men
(Olympic) |  | Final Round | Ukraine — United States | Referee |  |  | 
|  | Épée, Team, Men
(Olympic) |  | Round One | Russian Federation — Egypt | Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Final Round | Sada Jacobson — Cătălina Gheorghițoaia | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Semi-Finals | Tan Xue — Sada Jacobson | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Quarter-Finals | Mariel Zagunis — Yelena Jemayeva | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round Two | Yelena Jemayeva — Gioia Marzocca | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round Two | Cătălina Gheorghițoaia — Aleksandra Socha | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round One | Ana Fáez — Lee Sin-Mi | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round One | Emily Jacobson — Chow Tsz Ki | Assistant Referee |  |  | 
| 2020 Summer Olympics | Fencing |  GRE |  |  |  | Andreas Douvis |  | 
|  | Sabre, Team, Women
(Olympic) |  | Round One | Japan — Tunisia | Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Andrea Santarelli — Sergey Khodos | Video Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Masaru Yamada — Roman Petrov | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Quarter-Finals | Luigi Samele — Enrico Berrè | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Three | Enrico Berrè — Iulian Teodosiu | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Three | Luigi Samele — Mohammad Rahbari | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Two | Oh Sang-Uk — Andrew Mackiewicz | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Two | Mohamed Amer — Daryl Homer | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round Two | Sandro Bazadze — Mohab Shawky | Video Referee |  |  | 
|  | Sabre, Individual, Men
(Olympic) |  | Round One | José Quintero — Kento Yoshida | Video Referee |  |  | 
|  | Sabre, Team, Men
(Olympic) |  | Final Round | Republic of Korea — Italy | Assistant Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round Three | Anna Márton — Choi Su-Yeon | Video Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round Two | Liza Pusztai — Amira Ben Chaabane | Video Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round Two | Anna Başta — Eliza Stone | Video Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round Two | Mariel Zagunis — Gabriella Page | Video Referee |  |  | 
|  | Sabre, Individual, Women
(Olympic) |  | Round One | Renáta Katona — Yasmine Daghfous | Referee |  |  | 
|  | Sabre, Team, Women
(Olympic) |  | Round One | Japan — Tunisia | Referee |  |  |