Stadium: CC Round: 54 Ground: Clay
| ITF M25 Nussloch | 2020/01/19 09:00 | Stefan Seifert v Paul-Georg Guenther | 6-3,6-1 |
| 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 M25 Ueberlingen | 2021/08/18 11:20 | Benito Sanchez Martinez v Aliaksandr Bulitski | 3-6,4-6 |
| ITF M25 Ueberlingen | 2021/08/17 08:50 | Benito Sanchez Martinez v Andre Steinbach | 6-2,6-2 |
| ITF M25 Ueberlingen | 2021/08/16 09:40 | Benito Sanchez Martinez v Thibaut Gadilhe | 5-7,6-0,10-5 |
| ITF M25 Frankfurt am Main | 2021/08/11 09:00 | Eduard Esteve Lobato v Benito Sanchez Martinez | 6-2,6-3 |
| ITF M25 Frankfurt am Main | 2021/08/10 10:20 | Dominik Boehler v Benito Sanchez Martinez | 4-6,6-7 |
| ITF M25 Frankfurt am Main | 2021/08/09 13:50 | Benito Sanchez Martinez v Hendrik Jebens | 3-6,6-4,10-2 |
| ITF M25 Wetzlar | 2021/08/03 15:45 | Aliaksandr Bulitski v Benito Sanchez Martinez | 6-4,4-6,10-4 |
| ITF M25 Wetzlar | 2021/08/02 14:35 | Benito Sanchez Martinez v William Ma | 6-3,1-6,11-9 |