|1912 Stockholm||Team competition|
He was part of the Dutch team, which won the bronze medal in the football tournament.
- Dirk Lotsy at databaseOlympics.com at the Wayback Machine (archived 2007-02-09)
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill. "Dirk Lotsy". Olympics at Sports-Reference.com. Sports Reference LLC.