Round: 44
| ITF Alemania F12 | 2016/08/25 09:45 | Jean-Marc Werner v Johannes Haerteis | 6-3,6-3 |
| Tennis Point Exhibition Series | 2020/05/03 13:40 | Yannick Hanfmann v Jean-Marc Werner | 4-1,4-1 |
| Tennis Point Exhibition Series | 2020/05/03 10:30 | Constantin Schmitz v Jean-Marc Werner | 4-3,4-0 |
| Tennis Point Exhibition Series | 2020/05/02 11:10 | Jan Choinski v Jean-Marc Werner | 4-1,4-0 |
| Tennis Point Exhibition Series | 2020/05/02 07:00 | Jean-Marc Werner v Florian Broska | 1-4,2-4 |
| Tennis Point Exhibition Series | 2020/05/01 12:10 | Dustin Brown v Jean-Marc Werner | 4-3,4-3 |
| Tennis Point Exhibition Series | 2020/05/01 07:00 | Jean-Marc Werner v Benjamin Hassan | 2-4,2-4 |
| ITF España F32 | 2016/09/27 13:20 | Sergi Perez Contri v Jean-Marc Werner | 5-7,6-4,7-5 |
| ITF España F29 | 2016/09/08 09:00 | Albert Alcaraz Ivorra v Jean-Marc Werner | 6-4,6-3 |
| Tennis Point Exhibition Series | 2020/05/03 14:30 | Johannes Haerteis v Constantin Schmitz | 4-2,0-4,4-2 |
| Tennis Point Exhibition Series | 2020/05/03 07:00 | Dustin Brown v Johannes Haerteis | 4-2,4-3 |
| Tennis Point Exhibition Series | 2020/05/02 11:55 | Johannes Haerteis v Florian Broska | 3-4,4-2,1-4 |
| Tennis Point Exhibition Series | 2020/05/02 09:50 | Benjamin Hassan v Johannes Haerteis | 1-4,4-3,2-4 |
| Tennis Point Exhibition Series | 2020/05/01 11:10 | Johannes Haerteis v Jan Choinski | 4-2,4-2 |
| Tennis Point Exhibition Series | 2020/05/01 09:20 | Yannick Hanfmann v Johannes Haerteis | 4-0,4-1 |
| ITF M25 Las Vegas | 2020/03/07 02:30 | Johannes Haerteis v Petros Chrysochos | 2-6,7-5,4-6 |
| ITF M25 Las Vegas | 2020/03/05 19:45 | Johannes Haerteis v Alex Blumenberg | 7-6,6-1 |