| Irish Open Qual | 2019/11/13 14:30 | Nikolov, Daniel v Leon Seiwald | L | 2-0 |
| Irish Open Qual | 2019/11/13 11:05 | Leon Seiwald v Pang, Victor | W | 2-0 |
| Hungarian Int. Qual | 2019/10/30 17:10 | Leon Seiwald v Tobias Kuenzi | L | 0-2 |
| Polish Int. | 2019/09/21 09:55 | Ivan Rusev v Leon Seiwald | L | 2-0 |
| Polish Int. | 2019/09/20 10:20 | Leon Seiwald v Joonas Korhonen | W | 2-1 |
| Belgian International 2019, MS | 2019/09/12 13:00 | Luis Enrique Penalver v Leon Seiwald | L | 2-1 |
| Kharkiv International 2019, MS, Qualification | 2019/09/04 11:30 | Leon Seiwald v Gergo Pytel | L | 1-2 |
| Belarus Int. | 2019/08/30 10:40 | Must, Raul v Leon Seiwald | L | 2-1 |
| Irish Open | 2019/11/14 11:55 | Parsons, Sam v Mads Christophersen | L | 0-2 |
| Irish Open Qual | 2019/11/13 17:00 | Nikolov, Daniel v Parsons, Sam | W | 1-2 |
| Irish Open Qual | 2019/11/13 14:30 | Tobias Kuenzi v Parsons, Sam | W | 0-2 |
| Irish Open Qual | 2019/11/13 12:00 | Sameer Scott Aamir v Parsons, Sam | W | 0-2 |
| Irish Open Qual | 2019/11/13 12:00 | Aamir, Sameer v Parsons, Sam | W | 0-2 |
| Hungarian Int. | 2019/11/01 12:00 | Parsons, Sam v Pablo Abian | L | 0-2 |
| Hungarian Int. | 2019/10/31 13:40 | Aram Mahmoud v Parsons, Sam | W | 0-2 |
| Hungarian Int. Qual | 2019/10/30 17:10 | Christensen, Jeppe Bruun v Parsons, Sam | W | 1-2 |