| Polish Int. Qual | 2021/09/23 10:00 | Adi Pratama v Finn Achthoven | L | 2-0 |
| Spain Int Qual | 2021/06/16 15:25 | Elias Bracke v Finn Achthoven | L | 2-0 |
| Spain Int Qual | 2021/06/16 09:40 | Joseph Waugh v Finn Achthoven | W | 0-2 |
| Austrian Open Qual | 2021/05/27 09:50 | Finn Achthoven v Miha Ivanic | L | 1-2 |
| Slovenia Int. | 2021/05/20 11:20 | Finn Achthoven v Alex Lanier | L | 0-2 |
| Portuguese Int. Qual | 2021/05/06 14:00 | Robin Mesman v Finn Achthoven | L | 2-1 |
| European Team Championships | 2020/02/14 15:00 | Finn Achthoven v Harry Huang | L | 0-2 |
| European Team Championships | 2020/02/12 12:30 | Finn Achthoven v Jerome Pauquet | W | 2-0 |
| Ukraine Int. | 2021/09/07 16:00 | Andrej Antoska v Meiraba Luwang Maisnam | L | 0-2 |
| Hellas Int. Qual | 2021/09/02 07:00 | Andrej Antoska v Leo Holzmer | W | 2-0 |
| European Team Championships | 2020/02/12 11:30 | Andrej Antoska v Danielius Berzanskis | W | 2-0 |