| Polish Int. | 2018/09/21 07:00 | Jesper Toft v Hannes Gerberich | W | 2-1 |
| Polish Int. | 2018/09/20 12:15 | Jesper Toft v Tobias Mund | W | 2-1 |
| Swiss Open WD Qual | 2018/02/21 10:00 | Jesper Toft v Kento Saeki | L | 1-2 |
| Swiss Open WD Qual | 2018/01/18 17:00 | Patrick Bjerregaard v Jesper Toft | L | 2-0 |
| Swiss Open WD Qual | 2018/01/18 15:00 | Jesper Toft v Kaj Sjang Lu | W | 2-1 |
| Swiss Open WD Qual | 2017/12/05 16:30 | Jesper Toft v Soren Hald | L | 1-2 |
| Swiss Open WD Qual | 2018/09/27 12:10 | Artyom Savatyugin v Leon Seiwald | W | 0-2 |
| Polish Int. | 2018/09/22 12:45 | Iikka Heino v Leon Seiwald | L | 2-1 |
| Polish Int. | 2018/09/20 14:00 | Jonathan Dolan v Leon Seiwald | W | 0-2 |
| Giraldilla Int. XD | 2018/08/30 07:00 | Leon Seiwald v Jaromir Janacek | W | 2-0 |
| Swiss Open WD Qual | 2018/05/10 08:00 | Leon Seiwald v Sebastian Bugtrup | L | 1-2 |
| Swiss Open WD Qual | 2018/03/08 11:30 | Marcus Loo v Leon Seiwald | W | 1-2 |
| Swiss Open WD Qual | 2018/02/21 10:40 | David Peng v Leon Seiwald | L | 2-1 |
| Swiss Open WD Qual | 2017/12/05 14:26 | Leon Seiwald v Peter Correl | L | 1-2 |