Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Nules | 2021/11/14 11:00 | Jay Friend v Peetu Pohjola | 6-0,6-3 |
| ITF M15 Benicarlo | 2021/11/07 08:30 | Mikel Aranzabal v Peetu Pohjola | 7-6,3-6,10-8 |
| ITF M15 Girona | 2021/10/18 10:30 | Bruno P Navarro v Peetu Pohjola | 6-3,6-0 |
| ITF M15 Girona | 2021/10/17 10:30 | Pavel Kravchenko v Peetu Pohjola | 6-3,3-6,4-10 |
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Franco Emanuel Egea v Peetu Pohjola | 6-2,6-2 |
| ITF M15 Platja D'Aro | 2021/10/03 09:30 | Peetu Pohjola v Maik Steiner | 4-6,0-6 |
| ITF M25 Madrid | 2021/09/13 10:00 | Peetu Pohjola v Valentin Lapalu | 6-7,2-6 |
| ITF M15 Parnu | 2021/08/02 07:00 | Arvid Nordquist v Peetu Pohjola | 6-4,6-0 |
| ITF M15 Parnu | 2021/10/25 09:00 | Hermanni Tiainen v Ying Hou | 2-6,2-6 |
| ITF M25 Madrid | 2021/09/13 09:00 | Hermanni Tiainen v Constantinos Koshis | 4-6,4-6 |
| ITF M25 Madrid | 2021/09/12 13:00 | Hermanni Tiainen v Adria V. Ferrer | 6-3,6-3 |
| ITF M15 Helsinki | 2021/05/31 08:30 | Matvey Minin v Hermanni Tiainen | 7-6,6-1 |
| ITF M15 Kouvola | 2021/05/26 07:40 | Hermanni Tiainen v Aleksi Lofman | 6-2,3-6,4-6 |
| ITF M15 Pajulahti | 2019/09/16 10:30 | Egor Noskin v Hermanni Tiainen | 4-6,6-2,10-2 |
| ITF M15 Helsinki | 2019/08/19 11:45 | Mateusz Terczynski v Hermanni Tiainen | 6-2,6-2 |
| ITF Finland F4 | 2018/11/10 13:30 | Matvey Khomentovskiy v Hermanni Tiainen | 6-3,6-4 |