| Name | W.S. Boas |
| Born on | |
| Nationality | Netherlands |
| Role | Referees |
| Date | Competition | Round | Match | Sum. Video | Full Video | Match Report |
|---|---|---|---|---|---|---|
| 12/3/1939 | First Division West I | 9 | Ajax - HFC Haarlem 2 - 4 (0 - 1) | |||
| 10/9/1921 | First Division West | 4 | Feijenoord - Ajax 2 - 2 (0 - 1) | |||
| 9/18/1921 | First Division West | 1 | Ajax - Blauw-Wit 0 - 0 (0 - 0) | |||
| 12/28/1919 | First Division West | 15 | Ajax - HFC 1 - 1 (1 - 0) | |||
| 9/14/1919 | Wilhelminabeker | Final | NOAD - Ajax 0 - 0 (0 - 0) | |||
| 9/8/1918 | Wilhelminabeker | Final | Ajax - UVV 2 - 1 (1 - 0) | |||
| 6/16/1918 | Gouden Meer Beker | Semi Final | Ajax - Tubantia 5 - 1 (3 - 1) |