Stadium: Court 2 Round: 26 Ground: Clay
| ITF Switzerland F5 | 2018/09/03 15:45 | Harri Heliovaara v Adrien Bossel | 6-3,6-0 |
| Challenger Jinan | 2018/08/09 10:40 | Harri Heliovaara v Denis Yevseyev | 2-6,4-6 |
| Challenger Jinan | 2018/08/07 07:30 | Ramkumar Ramanathan v Harri Heliovaara | 3-6,4-6 |
| Challenger Chengdu | 2018/07/31 04:35 | Akira Santillan v Harri Heliovaara | 6-7,7-5,7-6 |
| Challenger Tampere | 2018/07/24 16:00 | Harri Heliovaara v Antoine Hoang | 0-6,4-6 |
| ITF Netherlands F2 | 2018/07/07 16:05 | Harri Heliovaara v Jelle Sels | 6-4,4-6,4-6 |
| ITF Netherlands F2 | 2018/07/06 12:15 | Harri Heliovaara v Denis Klok | 3-1 |
| ITF Netherlands F2 | 2018/07/05 08:00 | Harri Heliovaara v Stephan Gerritsen | 6-2,7-5 |
| ITF Switzerland F5 | 2018/09/04 11:40 | Florian Fallert v Johan Nikles | 5-7,6-3,6-3 |
| ITF Switzerland F5 | 2018/09/03 10:00 | Florian Fallert v Flemming Peters | 6-1,6-0 |
| ITF Switzerland F5 | 2018/09/01 13:00 | Florian Fallert v Rodrigo Garcia | 6-1,6-3 |
| ITF Germany F13 | 2018/08/21 15:00 | Florian Fallert v Johannes Haerteis | 2-6,3-6 |
| ITF Italy F22 | 2018/08/05 09:15 | Florian Fallert v Nicola Vidal | 4-6,2-6 |
| ITF Belgium F6 | 2018/08/01 13:00 | Florian Fallert v Loic Cloes | 1-6,4-6 |
| ITF Italy F15 | 2018/06/17 10:10 | Florian Fallert v Riccardo Roberto | 6-7,1-6 |
| ITF Turkey F20 | 2018/05/24 07:30 | Pierre Faivre v Florian Fallert | 6-1,7-5 |