Stadium: Center Court Round: 26 Ground: Clay
| ITF Netherlands F2 MD | 2018/07/05 18:00 | Heliovaara/Niklas-Salminen v Brouwer/Sels | 6-4,0-6,6-10 |
| ITF Netherlands F2 MD | 2018/07/04 14:30 | Heliovaara/Niklas-Salminen v de Krom/Nijboer | 6-1,6-2 |
| ITF Netherlands F2 MD | 2018/07/02 15:50 | Heliovaara/Niklas-Salminen v Bothwell/Bothwell | 6-2,6-1 |
| ITF China F6 MD | 2018/05/18 06:00 | Heliovaara/Niklas-Salminen v Gao/Te | 6-2,6-3 |
| ITF China F6 MD | 2018/05/17 05:30 | Casey Alcantara/Sun v Heliovaara/Niklas-Salminen | 3-6,1-6 |
| ITF China F6 MD | 2018/05/16 06:00 | Heliovaara/Niklas-Salminen v He/Lee | 6-3,6-2 |
| ITF China F6 MD | 2018/05/15 06:20 | Heliovaara/Niklas-Salminen v Kim/Wang | 6-3,6-1 |
| ITF China F5 MD | 2018/05/11 07:30 | Heliovaara/Niklas-Salminen v Imai/Shimizu | 6-1,6-7,10-4 |