| Challenger de Helsinki | 11/05 11:45 | 14 | Denis Yevseyev v Otso Martikainen | 6-4,6-1 | |
| ITF M15 Hyvinkää | 07/31 09:30 | 54 | Otso Martikainen v Oskar Jansson | 4-6,4-6 | |
| Challenger de Helsinki | 11/13 13:25 | 14 | Otso Martikainen v Raphael Collignon | 0-6,0-6 | |
| ITF M15 Vaasa | 06/01 07:00 | 25 | Iiro Vasa v Otso Martikainen | 6-2,7-5 | |
| ITF M15 Vaasa | 05/31 07:00 | 54 | Leevi Saatela v Otso Martikainen | 6-3,6-3 | |
| ITF M15 Vaasa | 05/30 07:00 | 54 | Otso Martikainen v Mateusz Kulakowski | 6-1,6-3 |