Stadium: Court 3 Round: 26 Ground: Clay
| ITF Finland F2 | 2018/08/07 12:00 | Jonathan Mridha v Philip Bachmaier | 6-1,6-2 |
| Challenger Sopot Qual | 2018/07/30 08:30 | Maxime Janvier v Jonathan Mridha | 6-3,6-2 |
| Challenger Sopot Qual | 2018/07/28 09:00 | Karol Drzewiecki v Jonathan Mridha | 4-6,0-6 |
| Challenger Tampere Qual | 2018/07/22 07:30 | Jonathan Mridha v Viktor Durasovic | 6-3,3-6,6-7 |
| Challenger Tampere | 2018/07/21 08:45 | Andrei Iakovlev v Jonathan Mridha | 1-6,0-6 |
| Challenger Bastad | 2018/07/09 10:45 | Goncalo Oliveira v Jonathan Mridha | 6-4,7-5 |
| ITF Italy F16 | 2018/06/25 12:50 | Jonathan Mridha v Andrea Grazioso | 7-6,6-4 |
| ITF Italy F15 | 2018/06/19 11:40 | Jonathan Mridha v Omar Giacalone | 4-6,6-4,2-6 |
| ITF Finland F1 | 2018/07/31 08:25 | Nathan Seateun v Panu Virtanen | 2-6,2-6 |
| ITF France F14 | 2018/07/20 13:00 | Nathan Seateun v Maxime Mora | 4-6,4-6 |
| ITF France F14 | 2018/07/18 13:50 | Raphael Baltensperger v Nathan Seateun | 5-7,6-4,5-7 |
| ITF France F14 | 2018/07/16 09:00 | Nathan Seateun v Lucas Bouquet | 6-3,6-4 |
| ITF France F12 Qual | 2018/07/01 08:30 | Joffrey De Schepper v Nathan Seateun | 6-2,7-5 |
| ITF Portugal F10 | 2018/06/26 16:50 | Nathan Seateun v Fred Gil | 6-3,2-6,5-7 |
| ITF Portugal F10 | 2018/06/25 09:30 | Nathan Seateun v Socrates Leon Tsoronis | 6-2,6-3 |
| ITF Portugal F10 | 2018/06/24 09:30 | Nathan Seateun v Bernardo Roque | 6-1,6-0 |