| German Championship | 2021/12/05 10:30 | Bertsch, Jochen v Tom Gutermann | 6-2,5-0 |
| ITF M25 Norman | 2019/09/29 15:00 | Bertsch, Jochen v A.J Catanzariti | 3-6,2-6 |
| ITF USA F31 | 2018/11/12 20:00 | Andrea Bolla v Bertsch, Jochen | 7-6,6-4 |
| ITF USA F31 | 2018/11/11 17:00 | Bertsch, Jochen v Justin Roberts | 7-6,2-6,6-0 |
| ITF Germany F12 | 2018/08/12 13:00 | Robert Strombachs v Bertsch, Jochen | 6-3,7-5 |
| ITF Germany F12 | 2018/08/12 08:00 | Pellanda, Pietro v Bertsch, Jochen | 1-6,1-6 |
| ITF Germany F10 Qual | 2018/07/30 09:00 | Kai Wehnelt v Bertsch, Jochen | 6-3,7-6 |
| ITF Germany F10 Qual | 2018/07/29 10:30 | Peric, Dragan v Bertsch, Jochen | 0-6,0-6 |
| German Championship | 2021/12/05 10:30 | Born, Yannick Stephan v Bastian Bross | 6-3,6-6 |
| ITF - M15 Héraklion | 2021/05/23 10:00 | Born, Yannick Stephan v Gaponenko, Alexander | 6-4,7-6 |
| ITF - M15 Héraklion | 2021/05/17 07:00 | Born, Yannick Stephan v Matthew Dellavedova | 3-6,2-6 |
| ITF - M15 Héraklion | 2021/05/16 06:30 | Born, Yannick Stephan v Nico Hornitschek | 4-6,7-6,10-6 |
| ITF M25 Meerbusch | 2021/04/11 14:00 | Born, Yannick Stephan v Dietel, Maximilian | 4-6,6-1,8-10 |
| ITF - M15 Monastir | 2021/03/15 09:00 | Edoardo Zanada v Born, Yannick Stephan | 6-1,6-3 |
| ITF - M15 Monastir | 2021/03/14 10:00 | Born, Yannick Stephan v Samuele Pieri | 6-3,3-6,10-7 |
| ITF - M15 Monastir | 2021/03/07 09:00 | Alessandro Ingarao v Born, Yannick Stephan | 6-4,6-0 |