Stadium: Center Court Round: 44 Ground: Carpet indoor
| ITF M15 Sharm El Sheikh | 2019/11/21 09:15 | Stefan Seifert v Vladyslav Manafov | 2-6,4-6 |
| ITF M15 Sharm El Sheikh | 2019/11/20 13:50 | Stefan Seifert v Filip Duda | 6-4,6-1 |
| ITF M15 Parnu | 2019/11/02 10:00 | Stefan Seifert v Evgeny Tyurnev | 5-7,7-5,3-6 |
| ITF M15 Parnu | 2019/11/01 11:55 | Stefan Seifert v Maxime Pauwels | 4-6,6-2,6-2 |
| ITF M15 Parnu | 2019/10/30 10:10 | Stefan Seifert v Kristjan Tamm | 6-3,3-6,6-4 |
| ITF M15 Liberec | 2019/10/24 08:00 | Stefan Seifert v Uladzimir Ignatik | 4-6,6-7 |
| ITF M15 Liberec | 2019/10/22 13:30 | Karlo Cubelic v Stefan Seifert | 3-6,2-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/13 09:00 | Stefan Seifert v Jan Choinski | 3-6,1-6 |
| ITF M15 Sarreguemines | 2019/11/17 08:30 | Paul-Georg Guenther v Lynn Max Kempen | 2-6,3-6 |
| ITF M15 Forbach | 2019/09/23 13:45 | Herve Antchandie v Paul-Georg Guenther | 7-6,6-2 |
| ITF M15 Forbach | 2019/09/23 09:55 | Yannick Lenaerts v Paul-Georg Guenther | 3-6,6-7 |
| ITF France F19 Qual | 2018/09/23 11:15 | Paul-Georg Guenther v Michael-John Every | 6-3,2-6,4-6 |
| ITF France F19 Qual | 2018/09/22 12:40 | Paul-Georg Guenther v Kevin Portmann | 6-3,6-0 |
| ITF Germany F12 | 2018/08/12 13:00 | Daniel Kopeinigg v Paul-Georg Guenther | 6-3,7-5 |
| ITF Germany F10 | 2017/08/06 11:00 | Paul-Georg Guenther v Maikel Borg | 1-6,2-6 |
| ITF Germany F7 | 2017/07/09 08:00 | Raphael Calzi v Paul-Georg Guenther | 6-1,6-1 |