Round: 54 Ground: Hardcourt indoor
| ITF Estonia F4 | 2017/11/04 11:00 | Bratholm, Simen Sunde v Ahti, Valtteri | 7-5,5-7,6-1 |
| ITF Estonia F2 | 2017/10/21 13:00 | Ahti, Valtteri v Samuelsson, Christian | 4-6,4-6 |
| ITF Finland F3 Qual | 2017/08/12 07:00 | Mansson, Marcus v Ahti, Valtteri | 6-4,6-2 |
| ITF Finland F2 Qual | 2017/08/05 07:00 | Ahti, Ville-Petteri v Ahti, Valtteri | 6-2,7-6 |
| ITF Estonia F2 | 2015/10/27 14:00 | Ahti, Valtteri v Siimar, Mattias | 1-6,3-6 |
| ITF Estonia F2 | 2015/10/25 12:00 | Veremeychuk, Danylo v Ahti, Valtteri | 4-6,3-6 |
| ITF Finland F3 Qual | 2015/08/15 07:30 | Ahti, Valtteri v Ahti, Ville-Petteri | 1-6,1-6 |
| ITF Finland F2 Qual | 2015/08/08 07:00 | Hedman, Alex v Ahti, Valtteri | 6-3,6-3 |
| ITF Estonia F4 | 2017/11/05 09:00 | Maiga, Riccardo v Saatela, Leevi | 6-3,7-5 |
| ITF Estonia F4 | 2017/11/04 14:00 | Saatela, Leevi v Saar, Karl Kiur | 3-6,6-4,7-5 |
| ITF Finland F3 | 2017/08/15 12:30 | Saatela, Leevi v Andrea Guerrieri | 6-7,1-6 |
| ITF Finland F3 Qual | 2017/08/13 11:05 | Rud, Igor v Saatela, Leevi | 2-6,2-6 |
| ITF Finland F3 Qual | 2017/08/12 09:30 | Saatela, Leevi v Hietaranta, Roni Mikael | 6-3,6-4 |
| ITF Finland F2 Qual | 2017/08/05 07:00 | Genesen, William v Saatela, Leevi | 6-3,6-3 |
| ITF Finland F1 | 2017/08/01 07:00 | Saatela, Leevi v Matias Franco Descotte | 0-6,0-6 |
| ITF Czech Republic F1 Qual | 2017/05/13 10:30 | Saatela, Leevi v Bolardt, Antonin | 3-6,5-7 |