Stadium: Court 3 Round: 54 Ground: Clay
| Challenger Helsinki | 2022/11/13 13:25 | Otso Martikainen v Raphael Collignon | 0-6,0-6 |
| ITF M15 Vaasa | 2022/06/01 07:00 | Iiro Vasa v Otso Martikainen | 6-2,7-5 |
| ITF M15 Vaasa | 2022/05/31 07:00 | Leevi Saatela v Otso Martikainen | 6-3,6-3 |
| ITF M15 Vaasa | 2022/05/30 07:00 | Otso Martikainen v Mateusz Kulakowski | 6-1,6-3 |