Round: 25 Ground: Clay
| ITF Czech Republic F1 Qual | 2017/05/15 10:45 | Johannes Haerteis v Pavel Kotov | 6-4,4-6,4-6 |
| ITF Qatar F2 | 2017/04/12 13:10 | Johannes Haerteis v Antoine Escoffier | 4-6,2-6 |
| ITF Qatar F2 | 2017/04/11 18:15 | Yaraslav Shyla v Johannes Haerteis | 1-6,2-6 |
| ITF Qatar F1 | 2017/04/04 13:25 | Johannes Haerteis v Lenny Hampel | 3-6,5-7 |
| ITF Italy F2 | 2017/03/03 13:00 | Johannes Haerteis v Gregoire Jacq | 7-6,4-6,6-7 |
| ITF Italy F2 | 2017/03/01 14:10 | Viktor Galovic v Johannes Haerteis | 1-6,6-7 |
| ITF Italy F2 | 2017/02/27 10:00 | Michal Schmid v Johannes Haerteis | 3-6,2-6 |
| ITF Italy F2 Qual | 2017/02/26 14:10 | Luca Pancaldi v Johannes Haerteis | 6-7,4-6 |
| ITF France F10 | 2017/05/02 08:30 | Niels Lootsma v Jurgen Zopp | 6-4,1-6,5-7 |
| ITF Italy F4 | 2017/03/16 14:00 | Niels Lootsma v Petr Michnev | 6-3,3-6,4-6 |
| ITF Italy F4 | 2017/03/13 16:20 | Niels Lootsma v Antonio Massara | 6-4,6-3 |
| ITF Italy F3 | 2017/03/07 10:00 | Niels Lootsma v Antal Van Der Duim | 6-3,4-6,6-7 |
| ITF France F4 | 2017/03/03 14:45 | Yannick Hanfmann v Niels Lootsma | 6-4,6-4 |
| ITF France F4 | 2017/03/01 14:00 | Niels Lootsma v Alexey Vatutin | 6-2,6-2 |
| ATP Rotterdam Qual | 2017/02/11 11:30 | Niels Lootsma v Aljaz Bedene | 3-6,3-6 |
| ITF Switzerland F1 | 2017/02/10 12:00 | Daniel Altmaier v Niels Lootsma | 6-2,6-2 |