| ITF Israel F2 | 03/14 09:40 | 25 | Harri Heliovaara v Yasha Zemel | 6-3,6-4 | |
| ITF Israel F1 | 03/05 08:00 | 25 | Harri Heliovaara v Jordan Hasson | View | |
| ITF Great Britain F2 | 02/11 13:00 | 29 | Harri Heliovaara v Maxime Authom | 7-6,6-4 | |
| ITF Great Britain F2 | 02/10 12:55 | 28 | Harri Heliovaara v Corentin Denolly | 6-3,6-4 | |
| ITF Great Britain F2 | 02/09 10:00 | 27 | Harri Heliovaara v Matthias Haim | 7-5,6-1 | |
| ITF Great Britain F2 | 02/08 10:00 | 26 | Luke Johnson v Harri Heliovaara | 2-6,4-6 | |
| ITF Great Britain F2 | 02/07 10:00 | 25 | Aidan Mchugh v Harri Heliovaara | 1-6,4-6 | |
| Davis Cup | 02/04 13:20 | 26 | Moez Echargui v Harri Heliovaara | 6-3,4-6,4-6 | |
| Davis Cup | 02/04 13:20 | 26 | Aziz Dougaz v Harri Heliovaara | Cancelled | |
| Davis Cup | 02/03 10:00 | 26 | Malek Jaziri v Harri Heliovaara | 6-2,7-5 | |
| ITF Hong Kong F6 | 01/06 05:30 | 29 | Matteo Viola v Harri Heliovaara | 3-6,6-2,7-6 | |
| ITF Hong Kong F6 | 01/05 02:00 | 28 | Nam Hoang Ly v Harri Heliovaara | 6-7,2-6 | |
| ITF Hong Kong F6 | 01/04 02:00 | 27 | Harri Heliovaara v Jack Murray | 1-6,6-3,6-0 | |
| ITF Hong Kong F6 | 01/03 03:20 | 26 | Harri Heliovaara v Chan-Yeong Oh | 6-1,6-3 | |
| ITF Hong Kong F6 | 01/02 02:00 | 25 | Harri Heliovaara v Francesco Bessire | 2-6,6-1,6-2 | |
| ITF Estonia F4 | 11/10 12:00 | 28 | Denys Mylokostov v Harri Heliovaara | 7-6,6-4 | |
| ITF Estonia F4 | 11/09 12:00 | 27 | Harri Heliovaara v Jonathan Mridha | 7-6,7-5 | |
| ITF Estonia F4 | 11/08 13:00 | 26 | Adrien Bossel v Harri Heliovaara | 6-7,6-7 | |
| ITF Estonia F4 | 11/07 13:10 | 25 | Milos Sekulic v Harri Heliovaara | 3-6,2-6 | |
| ITF Estonia F4 | 11/05 09:00 | 54 | Harri Heliovaara v Marko Goles Babic | 6-3,6-4 | |
| ITF Estonia F4 | 11/04 16:00 | 54 | Harri Heliovaara v Domen Gostincar | 6-0,6-4 | |
| ITF Estonia F3 | 11/03 10:50 | 27 | Harri Heliovaara v Evgeny Karlovskiy | 4-6,4-6 | |
| ITF Estonia F3 | 11/02 09:00 | 26 | Alexander Vasilenko v Harri Heliovaara | 2-6,3-6 | |
| ITF Estonia F3 | 10/31 09:15 | 25 | Harri Heliovaara v Temur Ismailov | Retired | |
| ITF Estonia F2 | 10/28 09:00 | 29 | Zdenek Kolar v Harri Heliovaara | 3-6,5-7 | |
| ITF Estonia F2 | 10/27 09:00 | 28 | Harri Heliovaara v Evgeny Karlovskiy | 6-3,6-2 | |
| ITF Estonia F2 | 10/26 11:00 | 27 | Pavel Kotov v Harri Heliovaara | 1-6,4-6 | |
| ITF Estonia F2 | 10/25 11:25 | 26 | Harri Heliovaara v Vladimir Ivanov | 6-3,6-2 | |
| ITF Estonia F2 | 10/24 10:45 | 25 | Harri Heliovaara v Siim Troost | 6-1,6-0 | |
| ITF Estonia F2 | 10/22 11:00 | 54 | Harri Heliovaara v Christian Samuelsson | 6-3,6-3 |