Stadium: P Round: 54 Ground: Clay
| Tunisia F3, Singles Qualifying | 2016/01/29 10:20 | Wang, Tak Khunn v Jahn, Jeremy | 6-7,1-6 |
| Challenger - Barcelone | 2018/10/07 16:15 | Zhurbin, Alexander v Wang, Tak Khunn | 4-6,1-6 |
| Challenger - Barcelone | 2018/10/07 07:15 | Kaya Arinc v Wang, Tak Khunn | 1-6,0-6 |
| Florence, Italy | 2018/09/30 12:20 | Wang, Tak Khunn v Zizou Bergs | 4-6,5-7 |
| Orleans, France | 2018/09/25 12:30 | Wang, Tak Khunn v Stakhovsky, Sergiy | 5-7,6-7 |
| Orleans, France | 2018/09/24 09:00 | Wang, Tak Khunn v Tim Van Rijthoven | 6-3,6-2 |
| Orleans, France | 2018/09/23 09:00 | Benjamin Bonzi v Wang, Tak Khunn | 6-7,6-2,0-6 |
| Orleans, France | 2018/09/22 07:30 | Wang, Tak Khunn v Margaroli, Luca | 7-6,6-3 |
| Istanbul, Turkey | 2018/09/11 08:00 | Wang, Tak Khunn v Tallon Griekspoor | 4-6,1-6 |
| Challenger - Barcelone | 2018/10/07 15:10 | Jahn, Jeremy v Zizou Bergs | 7-6,6-1 |
| Challenger - Barcelone | 2018/10/07 07:15 | Nerman Fatic v Jahn, Jeremy | 2-6,6-4,1-6 |
| Florence, Italy | 2018/09/29 13:45 | Jahn, Jeremy v Nicola Kuhn | 3-6,6-3,4-6 |
| Challenger Sibiu | 2018/09/18 10:00 | Bolelli, Simone v Jahn, Jeremy | 6-4,6-4 |
| Challenger Sibiu | 2018/09/17 08:00 | Javier Barranco Cosano v Jahn, Jeremy | 1-6,4-6 |
| Challenger Sibiu | 2018/09/16 07:00 | Mircea-Alexandru Jecan v Jahn, Jeremy | 3-6,1-6 |
| Challenger Mallorca | 2018/08/26 09:50 | Joao Menezes v Jahn, Jeremy | 6-3,6-4 |
| ITF Poland F7 | 2018/08/19 09:00 | Jahn, Jeremy v Pedro Sakamoto | 6-3,6-4 |