| Finnish Int. Qual | 2024/04/25 11:15 | Justin Seibel v Juuso Kuoppala | L | 1-2 |
| Malta Int. Qual | 2024/04/04 11:15 | Charlie Castle v Justin Seibel | L | 2-1 |
| Portugal Int. Qual | 2024/03/06 16:20 | Ngan, Heng Lin v Justin Seibel | L | 2-0 |
| Bulgarian Int. Qual | 2023/10/05 15:10 | Justin Seibel v Niilo Nyqvist | L | 0-2 |
| Bulgarian Int. Qual | 2023/10/05 13:00 | Justin Seibel v Helmer Andersson | W | 2-1 |
| Bulgarian Int. Qual | 2023/10/05 07:35 | Justin Seibel v Berat Ayindi | W | 2-0 |
| Croatian Int. | 2023/09/29 09:55 | 번들가르드, 마틴 v Justin Seibel | L | 2-0 |
| Croatia Int. Qual | 2023/09/28 18:30 | 스토크피즈, 시몬 v Justin Seibel | W | 0-2 |