Round: 44 Ground: Carpet indoor
| ITF Germany F3 | 2017/01/22 11:30 | Moritz Hoffmann v Guenther, Valentin | 3-6,7-6,3-6 |
| ITF Germany F2 Qual | 2017/01/15 12:00 | Guenther, Valentin v Kahlke, Jannis | 3-6,6-7 |
| ITF Germany F1 | 2017/01/10 13:00 | Guenther, Valentin v Shyla, Yaraslau | 4-6,4-6 |
| ITF Germany F1 Qual | 2017/01/09 14:10 | Jurij Rodionov v Guenther, Valentin | 7-6,4-6,4-6 |
| ITF Germany F1 Qual | 2017/01/08 13:00 | Guenther, Valentin v Sanson, Maximilien | 6-2,6-2 |
| ITF Germany F17 | 2016/11/02 10:00 | Lucas Catarina v Guenther, Valentin | 6-4,7-6 |
| ITF Germany F17 | 2016/10/31 09:00 | Kahlke, Jannis v Guenther, Valentin | 3-6,0-6 |
| ITF Germany F17 | 2016/10/30 11:00 | Guenther, Valentin v Boris Butulija | 6-3,6-0 |
| ITF Germany F2 Qual | 2017/01/16 16:00 | Khomentovskiy, Matvey v Loccisano, Benjamin | 1-6,3-6 |
| ITF Germany F2 Qual | 2017/01/15 12:00 | Khomentovskiy, Matvey v Loccisano, Mike | 6-2,6-2 |
| ITF Germany F1 | 2017/01/11 14:35 | Khomentovskiy, Matvey v Pauffley, Neil | 6-7,0-6 |
| ITF Germany F1 Qual | 2017/01/09 16:25 | Khomentovskiy, Matvey v Veldheer, Mick | 7-5,6-4 |
| ITF Germany F1 Qual | 2017/01/09 09:00 | Khomentovskiy, Matvey v Novotny, David | 3-6,7-5,6-3 |
| ITF Finland F4 | 2016/11/16 23:00 | Mylokostov, Denys v Khomentovskiy, Matvey | 7-6,6-2 |
| ITF Finland F4 | 2016/11/15 23:00 | Pollanen, Aaro v Khomentovskiy, Matvey | 2-6,4-6 |
| ITF Finland F4 | 2016/11/14 23:00 | Khomentovskiy, Matvey v Jaume Munar | 6-4,3-6,6-1 |