Round: 44 Ground: Hardcourt outdoor
| ITF Finland F4 Qual | 2017/11/11 11:00 | Alexey Aleshchev v Hermanni Tiainen | 7-6,6-3 |
| ITF Finland F3 Qual | 2017/08/12 07:00 | Panu Virtanen v Hermanni Tiainen | 6-3,6-2 |
| ITF Finland F2 | 2017/08/08 11:00 | Marco Bortolotti v Hermanni Tiainen | 6-3,6-1 |
| ITF Finland F2 Qual | 2017/08/07 07:00 | Ricardo David Mayagoitia v Hermanni Tiainen | 4-6,0-6 |
| ITF Finland F1 Qual | 2017/07/29 09:30 | William Genesen v Hermanni Tiainen | 6-3,6-2 |
| ITF Estonia F1 | 2017/07/22 13:00 | Julius Tverijonas v Hermanni Tiainen | 6-2,6-1 |
| ITF Turkey F17 | 2017/04/29 09:00 | Anton Chekhov v Hermanni Tiainen | 6-1,7-5 |
| ITF Turkey F16 | 2017/04/22 09:00 | Hermanni Tiainen v Jussi Tiainen | 5-7,2-6 |
| ITF Turkey F35 | 2017/09/17 11:00 | Jesse Paul Krattiger v Jan Zednik | 1-6,2-6 |
| ITF Turkey F34 | 2017/09/10 10:30 | Naru Shirafuji v Jesse Paul Krattiger | 6-3,6-3 |
| ITF Turkey F33 | 2017/09/02 11:00 | Patricio Heras v Jesse Paul Krattiger | 6-1,6-1 |
| ITF Switzerland F5 | 2017/08/26 10:00 | Jesse Paul Krattiger v Timo Lanz | 2-6,6-7 |
| ITF Switzerland F4 Qual | 2017/08/19 07:00 | Jesse Paul Krattiger v Amit Batta | 4-6,1-6 |
| ITF Switzerland F3 Qual | 2017/08/12 07:00 | Jesse Paul Krattiger v Ugo Blanchet | 0-6,0-6 |
| ITF Austria F6 | 2017/08/05 07:00 | Jesse Paul Krattiger v Neil Oberleitner | 2-6,3-6 |
| ITF Spain F4 | 2017/02/04 08:00 | Alvaro Fernandez Horta v Jesse Paul Krattiger | 6-1,6-2 |