Round: 44 Ground: Carpet indoor
| ITF Germany F16 | 2016/10/23 07:30 | Hingley, Matthew v Guenther, Valentin | 1-6,2-6 |
| ITF Germany F15 | 2016/10/15 08:00 | Guenther, Valentin v Schmidt, Gabriel | 4-6,4-6 |
| ITF Germany F14 | 2016/10/09 07:00 | Guenther, Valentin v van Den Berg, Bart | 6-7,3-6 |
| ITF Germany F13 | 2016/10/04 07:30 | Guenther, Valentin v Ollert, Lukas | 5-7,3-6 |
| ITF Belgium F14 | 2016/09/12 10:00 | Billy Harris v Guenther, Valentin | 6-2,3-6,6-3 |
| ITF Belgium F14 | 2016/09/10 12:00 | Hoeveler, Leon v Guenther, Valentin | 6-7,3-6 |
| ITF Belgium F13 | 2016/09/07 09:40 | Guenther, Valentin v Vanneste, Jeroen | 4-6,5-7 |
| ITF Belgium F13 Qual | 2016/09/05 14:35 | Czepielewski, Daniel v Guenther, Valentin | 4-6,3-6 |
| Hungary F6, Singles | 2016/09/17 07:00 | Nowak, Maciej v Godry, Levente | 2-6,2-6 |
| ITF Hungary F5 | 2016/09/11 08:00 | Nema, Patrik v Nowak, Maciej | 6-3,6-4 |
| ITF Hungary F5 | 2016/09/10 08:00 | Nowak, Maciej v Oreskovic, Z. | 6-1,6-3 |
| ITF Georgia F2 | 2016/08/01 12:30 | Dowson, Dan v Nowak, Maciej | 6-0,6-2 |
| ITF Georgia F2 | 2016/08/01 05:00 | Nowak, Maciej v Davlianidze, Nikoloz | 7-5,6-7,7-6 |
| ITF Georgia F1 | 2016/07/26 06:00 | Wojnar, Bartosz v Nowak, Maciej | 6-3,1-6,6-4 |
| ITF Georgia F1 | 2016/07/25 06:00 | Nowak, Maciej v Deswal, Aditya | 4-6,6-4,6-2 |
| ITF Poland F4 Qual | 2016/06/11 08:00 | Mlazga, Adam v Nowak, Maciej | 6-7,6-2,6-0 |