| 23-8-2025 | Holckenhus' Member of the Syndicate | MAP proef Paviljoen "de Kogeloven" Oostvoorne op 23-8-2025 | Nederlandse Labrador Vereniging |
| 7-10-2024 | Holckenhus' Member of the Syndicate | MAP proef Wolphaartsdijk op 7-10-2024 | Stichting Zeeuwse Jachthonden |
| 10-9-2022 | Holckenhus' Member of the Syndicate | Standaard Jachthonden proef Oostvoorne op 10-9-2022 | Stichting Jachthonden Zuid-Holland locatie Delta West |
| 11-6-2022 | Holckenhus' Member of the Syndicate | Standaard Jachthonden proef Simonshaven op 11-6-2022 | Nederlandse Labrador Vereniging |
| 26-7-2021 | Holckenhus' Member of the Syndicate | Standaard Jachthonden proef Heerle op 26-7-2021 | Werkende Flatcoated Retriever Groep |
| 30-8-2020 | Holckenhus' Member of the Syndicate | Standaard Jachthonden proef Delft op 30-8-2020 | Jhs. St. Hubertus |
| 15-8-2020 | Holckenhus' Member of the Syndicate | Standaard Jachthonden proef Oostvoorne op 15-8-2020 | Nederlandse Labrador Vereniging |
