Stadium: Campo 11 Round: 54 Ground: Clay
| Challenger Cordenons | 2018/08/12 12:40 | Jonathan Mridha v Artem Dubrivnyy | 6-1,6-2 |
| Challenger Cordenons | 2018/08/11 10:45 | Hugo Grenier v Jonathan Mridha | 4-6,2-6 |
| ITF Finland F2 | 2018/08/09 10:45 | Jonathan Mridha v Gustav Hansson | 2-6,5-7 |
| ITF Finland F2 | 2018/08/08 08:00 | Jonathan Mridha v Nathan Seateun | 7-6,6-3 |
| 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 Cordenons | 2018/08/12 14:10 | Enzo Couacaud v Bruno Santanna | 6-4,6-3 |
| Challenger Cordenons | 2018/08/11 11:45 | Enzo Couacaud v Marco Bortolotti | 6-4,6-3 |
| Challenger Portoroz Qual | 2018/08/06 08:00 | Aslan Karatsev v Enzo Couacaud | 4-6,6-3,6-4 |
| Challenger Portoroz Qual | 2018/08/05 13:00 | Tomas Lipovsek Puches v Enzo Couacaud | 1-6,4-6 |
| Challenger Portoroz Qual | 2018/08/04 14:35 | Enzo Couacaud v Gerard Granollers-Pujol | 6-2,7-5 |
| Challenger Segovia Qual | 2018/07/30 12:00 | Karim-Mohamed Maamoun v Enzo Couacaud | 6-4,6-2 |
| Challenger Segovia Qual | 2018/07/29 14:30 | Konstantin Kravchuk v Enzo Couacaud | 4-6,3-6 |
| Challenger Segovia Qual | 2018/07/28 11:00 | Enzo Couacaud v Benjamin Hassan | 7-5,6-0 |