Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| ITF - M15 Parnu | 2019/10/29 08:00 | Deney Wassermann v Lasse Muscheites | 6-4,4-6,2-10 |
| ITF - M15 Parnu | 2019/10/28 10:30 | Jason Sormunen v Lasse Muscheites | 4-6,3-6 |
| 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 Parnu | 2019/10/29 08:00 | Roni Mikael Hietaranta v Marcus Mansson | 2-6,7-6,10-4 |
| ITF M15 Pajulahti | 2019/09/18 12:30 | Yanki Erel v Roni Mikael Hietaranta | 6-0,6-2 |
| ITF - M15 Helsinki | 2019/08/22 08:00 | Roni Mikael Hietaranta v Juan Manuel Cerundolo | 2-6,2-6 |
| ITF - M15 Helsinki | 2019/08/21 13:30 | Roni Mikael Hietaranta v Masi Sarpola | 6-4,6-3 |
| ITF - M15 Parnu | 2019/07/18 08:45 | Peter Goldsteiner v Roni Mikael Hietaranta | 6-1,7-5 |
| ITF - M15 Parnu | 2019/07/15 13:00 | Roberts Grinvalds v Roni Mikael Hietaranta | 2-6,6-0,7-10 |
| ITF - M15 Parnu | 2019/07/15 08:30 | Juho Kantola v Roni Mikael Hietaranta | 2-6,2-6 |
| ITF Finland F4 | 2018/11/13 12:50 | Roni Mikael Hietaranta v Evgeny Tyurnev | 6-0,2-6,3-6 |