Round: 44
| ITF Germany F12 | 2016/08/25 09:45 | Jean-Marc Werner v Johannes Haerteis | 6-3,6-3 |
| ITF Spain F32 | 2016/09/27 13:20 | Sergi Perez Contri v Jean-Marc Werner | 5-7,6-4,7-5 |
| ITF Spain F29 | 2016/09/08 09:00 | Albert Alcaraz Ivorra v Jean-Marc Werner | 6-4,6-3 |
| ITF Spain F29 | 2016/09/07 08:00 | Jean-Marc Werner v Goncalo Oliveira | 6-0,6-1 |
| ITF Spain F29 | 2016/09/06 11:55 | Jean-Marc Werner v Jorge Hernando-Ruano | 6-1,6-3 |
| ITF Germany F12 | 2016/08/26 11:00 | Jean-Marc Werner v Oscar Otte | 2-6,0-6 |
| ITF Germany F12 | 2016/08/25 09:45 | Jean-Marc Werner v Johannes Haerteis | 6-3,6-3 |
| ITF Germany F12 | 2016/08/24 08:00 | George Von Massow v Jean-Marc Werner | 2-6,0-6 |
| ITF Germany F11 | 2016/08/18 10:00 | Andreas Beck v Jean-Marc Werner | 5-7,6-4,6-1 |
| 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 |
| ITF M25 Las Vegas | 2020/03/04 19:15 | Johannes Haerteis v Ryan Shane | 6-4,6-4 |
| Challenger Columbus | 2020/02/27 19:50 | Johannes Haerteis v Cedrik-Marcel Stebe | 4-6,1-6 |
| Challenger Columbus | 2020/02/26 19:30 | Juan Pablo Ficovich v Johannes Haerteis | 2-6,6-7 |
| Challenger Columbus | 2020/02/25 15:00 | Alexander Brown v Johannes Haerteis | 3-6,6-7 |
| Challenger Drummondville | 2020/02/22 17:00 | Maxime Cressy v Johannes Haerteis | 7-6,6-4 |
| Challenger Drummondville | 2020/02/21 17:40 | Roberto Cid Subervi v Johannes Haerteis | 6-1,4-6,1-6 |