| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Carl "Karel"•Kratz |
| Used name | Karel•Kratz |
| Born | 10 November 1893 in Rotterdam, Zuid-Holland (NED) |
| Died | 30 August 1962 in Rotterdam, Zuid-Holland (NED) |
| Affiliations | De Maas, Rotterdam (NED) |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Water Polo (Aquatics) | NED |
Karel Kratz | |||
| Water Polo, Men (Olympic) | Netherlands | 5 |