Stadium: Court 10 Round: 45 Ground: Hardcourt indoor
| ITF Germany F11 | 2016/08/14 12:00 | Valentin Guenther v Patrick Mayer | 6-3,4-6,6-4 |
| ITF Qatar F5 | 2018/12/10 13:55 | Antoine Bellier v Valentin Guenther | 4-6,6-1,6-2 |
| ITF Qatar F5 | 2018/12/09 13:50 | Erik Helin v Valentin Guenther | 3-6,1-6 |
| ITF Czech Republic F12 | 2018/11/28 11:35 | Peter Heller v Valentin Guenther | 6-3,6-3 |
| ITF Czech Republic F12 | 2018/11/27 10:05 | Valentin Guenther v Daniel Paty | 7-5,6-3 |
| ITF Czech Republic F12 | 2018/11/26 15:00 | Valentin Guenther v Filip Michl | 6-2,6-2 |
| ITF Czech Republic F11 | 2018/11/22 11:20 | Valentin Guenther v Jiri Lehecka | 1-6,3-6 |
| ITF Czech Republic F11 | 2018/11/21 17:20 | Valentin Guenther v Robert Strombachs | 6-3,6-4 |
| ITF Czech Republic F11 Qual | 2018/11/20 09:00 | Valentin Guenther v Mateusz Terczynski | 2-6,6-4,6-4 |
| ITF Qatar F5 | 2018/12/09 12:00 | Patrick Mayer v Florian Lakat | 2-6,2-6 |
| ITF Qatar F5 | 2018/12/08 08:00 | Jesper De Jong v Patrick Mayer | 3-6,1-6 |
| ITF Qatar F4 | 2018/12/03 12:00 | Mikalai Haliak v Patrick Mayer | 7-6,6-2 |
| ITF Qatar F4 | 2018/12/02 13:35 | Aliaksandr Prudnikau v Patrick Mayer | 2-6,1-6 |
| ITF Finland F4 | 2018/11/12 11:00 | Patrick Mayer v Matvey Minin | 6-7,0-6 |
| ITF Finland F4 | 2018/11/11 11:20 | Patrick Mayer v Juho Kantola | 6-1,6-3 |
| ITF Finland F4 | 2018/11/10 11:30 | Patrick Mayer v Valtteri Ahti | 6-0,6-0 |
| ITF Estonia F3 | 2018/11/06 09:00 | Patrick Mayer v Alexander Vasilenko | 4-6,1-6 |