| Latvia Int. Qual | 2023/08/30 16:05 | Thomas Barth v Lukasz Zwierzchowski | W | 2-0 |
| Slovenia - Future Series - Qual. | 2022/11/24 08:35 | Thomas Barth v Niilo Nyqvist | L | 1-2 |
| Internazionali di Norwegia - Qual. | 2022/11/10 15:00 | Mattias Xu v Thomas Barth | L | 2-0 |
| Internazionali di Norwegia - Qual. | 2022/11/10 14:00 | Andre Irpola v Thomas Barth | W | 0-2 |
| Internazionali di Bulgaria - Qual. | 2022/10/06 09:20 | Thomas Barth v Berkay Cicen | L | 1-2 |