Stadium: Centre Court Round: 25
| Braunchsweig, Germany | 2018/07/10 15:05 | Kamke, Tobias v Hugo Dellien | 1-6,3-6 |
| Wimbledon Qual | 2018/06/26 16:25 | Fabbiano, Thomas v Kamke, Tobias | 6-1,7-5 |
| Wimbledon Qual | 2018/06/25 13:05 | Kamke, Tobias v Gunneswaran, Prajnesh | 6-1,6-4 |
| Challenger - Nottingham | 2018/06/13 13:55 | Kamke, Tobias v Ramkumar Ramanathan | 6-7,3-6 |
| Challenger - Nottingham | 2018/06/12 11:25 | Kamke, Tobias v Jay Clarke | 6-3,6-3 |
| Challenger Nottingham Qual | 2018/06/11 10:00 | Kamke, Tobias v Corrie, Edward | 6-3,7-5 |
| Challenger Nottingham Qual | 2018/06/10 14:10 | Kamke, Tobias v Weightman, Oscar | 6-2,6-0 |
| Challenger Nottingham Qual | 2018/06/09 12:30 | Kamke, Tobias v Glasspool, Lloyd | 6-3,6-2 |
| Challenger Scheveningen Qual | 2018/07/16 11:30 | Jahn, Jeremy v Kimmer Coppejans | 6-7,5-7 |
| Challenger Scheveningen Qual | 2018/07/15 11:55 | Jahn, Jeremy v Niels Lootsma | 7-6,4-6,7-5 |
| Challenger Scheveningen Qual | 2018/07/14 15:15 | Jahn, Jeremy v Dan Added | 6-1,6-2 |
| Poznan, Poland | 2018/06/07 16:45 | Alexey Vatutin v Jahn, Jeremy | 7-6,4-6,6-3 |
| Poznan, Poland | 2018/06/06 14:00 | Jahn, Jeremy v Kamil Majchrzak | 6-3,2-6,6-0 |
| Challenger Poznan Qual | 2018/06/04 13:30 | Jahn, Jeremy v Olaso, Guillermo | 6-7,6-1,6-2 |
| Challenger Poznan Qual | 2018/06/04 08:00 | Bernabe Zapata Miralles v Jahn, Jeremy | 4-6,6-3,0-6 |
| Challenger Poznan Qual | 2018/06/03 08:00 | Kacper Zuk v Jahn, Jeremy | 3-6,4-6 |