Round: 25 Ground: Clay
| Challenger Prostejov Qual | 2017/06/04 09:50 | Constant Lestienne v Niels Lootsma | 6-7,6-3,6-3 |
| ITF Czech Republic F3 | 2017/06/01 08:30 | Jan Choinski v Niels Lootsma | 7-6,4-6,6-3 |
| ITF Czech Republic F3 | 2017/05/31 11:10 | Robin Kern v Niels Lootsma | 6-7,3-6 |
| ITF Czech Republic F2 | 2017/05/24 09:00 | Johannes Haerteis v Niels Lootsma | 6-3,6-1 |
| 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 Netherlands F1 Qual | 2017/06/19 08:00 | Bobbie De Goeijen v Sidane Pontjodikromo | 3-6,1-6 |
| ITF Netherlands F1 Qual | 2017/06/18 13:00 | Ruben Konings v Sidane Pontjodikromo | 6-7,2-6 |
| ITF Netherlands F7 | 2016/08/29 15:30 | Sidane Pontjodikromo v Lennert Van Der Linden | 2-6,2-6 |
| ITF Netherlands F1 Qual | 2016/06/12 14:00 | Casper Bonapart v Sidane Pontjodikromo | 6-2,7-5 |