Stadium: Court 5 Round: 27
| ITF Switzerland F5 MD | 2018/09/04 15:20 | Heliovaara H / Niklas-Salminen P v Pietri B / Vibert F-A | 6-1,6-1 |
| Challenger Tampere MD | 2018/07/27 15:10 | Heliovaara H / Niklas-Salminen P v Gakhov I / Pavlioutchenkov A | 6-3,3-6,10-12 |
| Challenger Tampere MD | 2018/07/26 15:20 | Virtanen O / Virtanen P v Heliovaara H / Niklas-Salminen P | 2-6,0-6 |
| Challenger Tampere MD | 2018/07/25 15:00 | Sakamoto P / Souza J v Heliovaara H / Niklas-Salminen P | 1-6,1-6 |
| ITF Netherlands F2 MD | 2018/07/05 18:00 | Heliovaara H / Niklas-Salminen P v Brouwer G / Sels J | 6-4,0-6,6-10 |
| ITF Netherlands F2 MD | 2018/07/04 14:30 | Heliovaara H / Niklas-Salminen P v de Krom/Nijboer | 6-1,6-2 |
| ITF Netherlands F2 MD | 2018/07/02 15:50 | Heliovaara H / Niklas-Salminen P v Bothwell P / Bothwell S | 6-2,6-1 |
| ITF China F6 MD | 2018/05/18 06:00 | Heliovaara H / Niklas-Salminen P v Gao X / TE R | 6-2,6-3 |
| ITF Switzerland F5 MD | 2018/09/03 15:30 | Baltensperger R / Ehrat S v Nikles J / Perret L | 7-5,6-4 |