Stadium: Court 2 Round: 27 Ground: Hardcourt indoor
| ITF Sweden F5 | 2018/10/03 15:05 | Niklas-Salminen, Patrick v Alexander Zgirovsky | 6-3,6-3 |
| ITF Sweden F5 | 2018/10/01 14:25 | Niklas-Salminen, Patrick v Bergevi, Filip | 6-7,6-3,7-6 |
| ITF Switzerland F5 | 2018/09/07 11:00 | Niklas-Salminen, Patrick v Ehrat, Sandro | 1-6,4-6 |
| ITF Switzerland F5 | 2018/09/06 11:00 | Niklas-Salminen, Patrick v Santanna, B. | 6-2,6-4 |
| ITF Switzerland F5 | 2018/09/05 10:00 | Niklas-Salminen, Patrick v Louroi Martinez | 6-4,6-3 |
| ITF Switzerland F5 | 2018/09/03 14:10 | Haim, Matthias v Niklas-Salminen, Patrick | 2-6,1-6 |
| ITF Finland F3 | 2018/08/16 11:15 | Karl Friberg v Niklas-Salminen, Patrick | 7-6,7-6 |
| ITF Finland F3 | 2018/08/15 10:00 | Minin, Matvey v Niklas-Salminen, Patrick | 5-7,4-6 |
| ITF Sweden F5 | 2018/10/01 12:00 | Ollert, Lukas v David Poljak | 6-4,3-6,2-6 |
| Orleans, France, Qualifying | 2018/09/22 17:30 | David Poljak v Jankovits, Yannick | 3-6,4-6 |
| Istanbul, Turkey | 2018/09/10 07:30 | David Poljak v Wang, Tak Khunn | 6-4,6-7,3-6 |
| Istanbul, Turkey | 2018/09/09 10:10 | David Poljak v Khabibulin, Timur | 6-4,6-2 |
| Zhangjiagang, China | 2018/09/02 06:50 | Wu, Di v David Poljak | 6-3,6-4 |
| ITF Belarus F3 | 2018/08/24 07:00 | Vilardo, Francesco v David Poljak | 6-4,3-6,6-2 |
| ITF Belarus F3 | 2018/08/23 07:00 | Giorgio Ricca v David Poljak | 2-6,4-6 |
| ITF Belarus F3 | 2018/08/22 09:35 | Tsivadze, George v David Poljak | 3-6,3-6 |