| Swiss Open WD Qual | 2018/05/10 10:45 | Mikkel Enghoj v Adi Pratama | L | 0-2 |
| Swiss Open WD Qual | 2018/04/05 12:15 | Alex Vlaar v Mikkel Enghoj | W | 0-2 |
| Swiss Open WD Qual | 2018/04/05 09:35 | Mikkel Enghoj v Anant Shivam Jindal | W | 2-1 |
| Giraldilla Int. XD | 2018/01/19 10:30 | Luis Enrique Penalver v Mikkel Enghoj | L | 2-0 |
| Dutch Open | 2017/10/11 20:20 | Mikkel Enghoj v Zvonimir Durkinjak | L | 0-2 |
| Dutch Open | 2017/10/11 10:20 | Alex Vlaar v Mikkel Enghoj | W | 1-2 |
| Polish Int. | 2017/09/22 07:40 | Mikkel Enghoj v Artem Pochtarov | L | 0-2 |
| Giraldilla Int. XD | 2017/09/13 11:30 | Mikkel Enghoj v Nhat Nguyen | L | 0-2 |
| Swiss Open WD Qual | 2018/12/13 08:30 | Christopher Grimley v Leon Seiwald | W | 0-2 |
| Giraldilla Int. XD | 2018/11/02 09:55 | Jesper Toft v Leon Seiwald | L | 2-1 |
| 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 |