Stadium: Center Court Round: 25 Ground: Carpet indoor
| Challenger Barcelona | 2018/10/08 12:05 | Tak Khunn Wang v Jeremy Jahn | 6-4,6-4 |
| Challenger Barcelona | 2018/10/07 15:10 | Jeremy Jahn v Zizou Bergs | 7-6,6-1 |
| Challenger Barcelona | 2018/10/07 07:15 | Nerman Fatic v Jeremy Jahn | 2-6,6-4,1-6 |
| Challenger Florence | 2018/09/29 13:45 | Jeremy Jahn v Nicola Kuhn | 3-6,6-3,4-6 |
| Challenger Sibiu | 2018/09/18 10:00 | Simone Bolelli v Jeremy Jahn | 6-4,6-4 |
| Challenger Sibiu | 2018/09/17 08:00 | Javier Barranco Cosano v Jeremy Jahn | 1-6,4-6 |
| Challenger Sibiu | 2018/09/16 07:00 | Mircea-Alexandru Jecan v Jeremy Jahn | 3-6,1-6 |
| Challenger Mallorca | 2018/08/26 09:50 | Joao Menezes v Jeremy Jahn | 6-3,6-4 |
| Challenger Ortisei | 2018/10/11 12:30 | Dustin Brown v Dennis Novak | 2-6,7-5,4-6 |
| Challenger Ortisei | 2018/10/10 16:00 | Salvatore Caruso v Dustin Brown | 2-6,4-6 |
| Challenger Orleans | 2018/09/22 14:00 | Dustin Brown v Hugo Nys | 6-7,1-6 |
| ATP Metz | 2018/09/16 09:25 | Dustin Brown v Kenny de Schepper | 4-6,4-6 |
| Challenger Szczecin | 2018/09/11 16:00 | Lorenzo Giustino v Dustin Brown | 6-7,6-1,7-6 |
| Challenger Genova | 2018/09/09 15:35 | Lorenzo Sonego v Dustin Brown | 6-2,6-1 |
| Challenger Genova | 2018/09/08 18:40 | Dustin Brown v Thomaz Bellucci | 6-3,7-6 |
| Challenger Genova | 2018/09/07 19:25 | Dustin Brown v Lukas Rosol | 3-6,6-4,7-6 |