| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Oswaldo•Gelsomini |
| Used name | Oswaldo•Gelsomini |
| NOC | Brazil |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Basketball (Basketball) | BRA |
Oswaldo Gelsomini | ||||
| Basketball, Men (Olympic) | Group B | Puerto Rico — Philippines | Referee | ||||
| Basketball, Men (Olympic) | Group B | Italy — West Germany | Referee | ||||
| Basketball, Men (Olympic) | Group B | Soviet Union — Puerto Rico | Referee | ||||
| Basketball, Men (Olympic) | Group B | Yugoslavia — Senegal | Referee | ||||
| Basketball, Men (Olympic) | Group B | Puerto Rico — Poland | Referee |