Stadium: Court 4 Round: 62 Ground: Clay
| ITF Germany F10 | 2017/08/06 13:00 | Niklas Guttau v Robin Lang | 2-6,6-4,3-6 |
| ITF Germany F10 | 2017/08/06 08:00 | Niklas Guttau v Varun Venkat | 6-1,6-2 |
| ITF Germany F9 | 2017/07/31 09:00 | Paul Monteban v Niklas Guttau | 6-3,6-1 |
| ITF Germany F4 | 2017/06/20 09:00 | Niklas Guttau v Tom Kocevar-Desman | 3-6,2-6 |
| ITF Egypt F14 | 2017/04/15 08:00 | Niklas Guttau v Arnold Kokulewski | 6-7,4-6 |
| ITF Egypt F13 | 2017/04/10 08:00 | Franco Feitt v Niklas Guttau | 6-7,6-3,6-3 |
| ITF Egypt F13 | 2017/04/09 08:00 | Megh B Patel v Niklas Guttau | 6-7,4-6 |
| ITF Egypt F13 | 2017/04/08 07:00 | Niklas Guttau v Tomas Charlos | 5-7,6-1,6-4 |
| ITF Netherlands F5 | 2017/08/14 14:50 | Bart Van Den Berg v Mats Hermans | 7-5,6-2 |
| ITF Netherlands F5 | 2017/08/13 11:00 | Pavle Daljev v Mats Hermans | 2-6,6-7 |
| ITF Netherlands F5 | 2017/08/12 10:30 | Herman Meeuwes Mattheo Knoop v Mats Hermans | 6-7,3-6 |
| ITF Belgium F8 Qual | 2017/08/06 07:30 | Mats Hermans v Benjamin Dhoe | 6-7,3-6 |
| ITF Belgium F8 Qual | 2017/08/05 07:30 | Luis E M De La Cruz v Mats Hermans | 0-6,2-6 |
| ITF Estonia F1 | 2017/07/26 13:30 | Patrik Brydolf v Mats Hermans | 6-4,6-0 |
| ITF Estonia F1 | 2017/07/25 10:05 | Mats Hermans v Francois-Arthur Vibert | 2-6,7-6,6-4 |
| ITF Estonia F1 | 2017/07/23 10:00 | Andrea Guerrieri v Mats Hermans | 3-6,4-6 |