| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Hockey |  CHI |
Alfredo Gantz | ||||
| Hockey, Men (Olympic) | Match #1 | Pakistan — Soviet Union | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #5 | Spain — Netherlands | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #12 | Argentina — Spain | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #8 | Canada — Soviet Union | Umpire 1 |
