Stadion: Court 4 Round: 54 Ground: Hardcourt outdoor
| 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 |
| 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 |