Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Pajulahti | 2019/09/17 09:00 | Sergei Pogosian v Otto Leikola | 6-2,6-4 |
| ITF M15 Pajulahti | 2019/09/16 12:00 | Otto Leikola v Dominik Langmajer | 7-5,3-6,10-5 |
| ITF M15 Helsinki | 2019/08/19 13:35 | Marko Vejnovic v Otto Leikola | 6-4,6-0 |
| ITF M15 Kouvola | 2021/05/26 14:40 | Luca Castelnuovo v Roni Mikael Hietaranta | 6-3,4-6,6-3 |
| ITF M15 Kouvola | 2021/05/25 08:30 | Roni Mikael Hietaranta v Jussi Salmio | 6-1,6-1 |
| ITF M15 Parnu | 2020/11/04 08:00 | Mattias Siimar v Roni Mikael Hietaranta | 6-3,6-2 |
| ITF M15 Parnu | 2020/11/02 11:00 | Roni Mikael Hietaranta v Adrien Burdet | 5-7,6-2,13-11 |
| ITF M15 Parnu | 2019/10/30 12:25 | Lasse Muscheites v Roni Mikael Hietaranta | 6-4,6-1 |
| 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 |