Round: 54 Ground: Hardcourt indoor
| ITF M15 Pajulahti | 2019/09/17 11:10 | Jeremy Schifris v Jason Sormunen | 6-2,6-3 |
| ITF M15 Helsinki | 2019/08/19 12:15 | Jason Sormunen v Peter Sillanpaa | 1-6,2-6 |
| ITF Finland F4 | 2018/11/10 11:35 | Karl Kiur Saar v Jason Sormunen | 6-2,6-4 |
| ITF Estonia F3 | 2018/11/03 11:00 | Jason Sormunen v Martins Rocens | 5-7,4-6 |
| ITF Estonia F2 | 2018/10/27 08:00 | David Quayle v Jason Sormunen | 6-3,6-2 |
| ITF Finland F3 | 2018/08/11 07:00 | Roni Rikkonen v Jason Sormunen | 6-2,6-0 |
| ITF Finland F2 Qual | 2018/08/05 10:25 | Roni Mikael Hietaranta v Jason Sormunen | 6-2,6-2 |
| ITF Finland F2 Qual | 2018/08/04 10:00 | Jason Sormunen v Ido Zonder | 4-6,6-1,6-4 |
| ITF M15 Liberec | 2019/10/21 10:00 | Petr Michnev v Lasse Muscheites | 6-2,6-4 |
| ITF M15 Bad Salzdetfurth | 2019/10/08 09:00 | Dominik Recek v Lasse Muscheites | 6-4,6-4 |
| ITF M15 Bad Salzdetfurth | 2019/10/07 12:55 | Justin Schlageter v Lasse Muscheites | 4-6,5-7 |
| ITF M15 Forbach | 2019/09/25 16:35 | Hugo Schott v Lasse Muscheites | 6-2,6-1 |
| ITF M15 Forbach | 2019/09/23 15:35 | Lasse Muscheites v Julien De Cuyper | 7-6,6-1 |
| ITF M15 Forbach | 2019/09/23 10:00 | Lasse Muscheites v Quentin Marchal | 6-0,6-0 |
| ITF M15 Antalya | 2019/09/17 07:00 | Lasse Muscheites v Christopher Patzanovsky | 4-6,7-5,8-10 |
| ITF M15 Antalya | 2019/09/16 07:30 | Lasse Muscheites v Michal Marko | 6-3,6-4 |