| Lettland - Int. | 2023/09/01 12:00 | Finn Achthoven v Kian-Yu Oei | L | 1-2 |
| Nouvelle Aquitane - Future Series | 2023/07/07 08:00 | Julien Scheiwiller v Finn Achthoven | L | 2-1 |
| Nantes Int. - Kval | 2023/06/15 08:20 | Tino Daoudal v Finn Achthoven | L | 2-0 |
| Litauen - Int. | 2023/06/09 10:45 | Heng Lin Ngan v Finn Achthoven | L | 2-1 |
| Bonn Int. - Kval | 2023/05/31 14:00 | Neil Bhabuta v Finn Achthoven | L | 2-0 |
| Slovenia Open - Kval | 2023/05/17 07:20 | Finn Achthoven v Abhishek Yeligar | L | 0-2 |
| Luxembourg Open - Kval | 2023/05/04 17:30 | Finn Achthoven v Bruno Carvalho | L | 1-2 |
| Luxembourg Open - Kval | 2023/05/04 14:10 | Finn Achthoven v Brian Holtschke | W | 2-1 |