| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As |  | 
| 2020 Summer Olympics | Fencing |  JPN |  |  |  | Tetsuya Amari |  | 
|  | Épée, Individual, Men
(Olympic) |  | Quarter-Finals | Romain Cannone — Sergey Bida | Video Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Three | Mohamed El-Sayed — Lan Minghao | Video Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round Two | Romain Cannone — Rubén Limardo | Video Referee |  |  | 
|  | Épée, Individual, Men
(Olympic) |  | Round One | Dong Chao — Marc-Antoine Blais Bélanger | Video Referee |  |  | 
|  | Épée, Team, Men
(Olympic) |  | Final Round | France — Ukraine | Referee |  |  | 
|  | Épée, Individual, Women
(Olympic) |  | Round Three | Ayzanat Murtazayeva — Kelley Hurley | Video Referee |  |  | 
|  | Épée, Individual, Women
(Olympic) |  | Round Three | Vivian Kong — Renata Knapik-Miazga | Video Referee |  |  | 
|  | Épée, Individual, Women
(Olympic) |  | Round Two | Rossella Fiamingo — Nathalie Moellhausen | Video Referee |  |  | 
|  | Épée, Individual, Women
(Olympic) |  | Round Two | Aleksandra Jarecka — Violetta Kolobova | Video Referee |  |  | 
|  | Épée, Team, Women
(Olympic) |  | Final Round | Estonia — Republic of Korea | Assistant Referee |  |  | 
|  | Épée, Team, Women
(Olympic) |  | Classification Round 5-8 | United States — Hong Kong, China | Referee |  |  |