Stadium: Court 1 (Center) Round: 25 Ground: Clay
| ITF M15 Alkmaar | 2019/06/30 12:55 | Enrico Dalla Valle v Niels Lootsma | 7-6,6-4 |
| ITF M15 Alkmaar | 2019/06/29 11:00 | Niels Lootsma v Matias Zukas | 4-6,6-4,7-5 |
| ITF M15 Alkmaar | 2019/06/28 11:00 | Niels Lootsma v Colin Sinclair | 6-1,6-1 |
| ITF M15 Alkmaar | 2019/06/27 10:00 | Niels Lootsma v Roland Stuurman | 6-4,6-2 |
| ITF M15 Alkmaar | 2019/06/25 11:00 | Niels Lootsma v Yanais Laurent | 6-4,6-4 |
| ITF M15 Prague | 2019/05/15 08:00 | Michal Konecny v Niels Lootsma | 4-6,7-6,6-2 |
| ITF M25 Abuja | 2019/04/27 09:00 | Niels Lootsma v Dan Added | 5-7,4-6 |
| ITF M25 Abuja | 2019/04/26 09:00 | Niels Lootsma v Gilbert S K Junior | 6-7,6-3,6-3 |
| ITF M15 Alkmaar | 2019/06/27 10:55 | Dax Donders v Jesper De Jong | 4-6,3-6 |
| ITF M15 Alkmaar | 2019/06/26 16:15 | Louis Wessels v Dax Donders | 4-6,6-7 |
| ITF Tunisia F45 | 2018/12/17 08:30 | Erik Crepaldi v Dax Donders | 6-0,6-1 |
| ITF Tunisia F45 | 2018/12/16 08:00 | Dax Donders v Llewelyn Bevan | 6-4,6-2 |
| ITF Belgium F8 | 2018/08/12 11:30 | Alexis Boureau v Dax Donders | 6-4,6-4 |
| ITF Belgium F8 | 2018/08/11 08:00 | Dax Donders v Tuur Heuvinck | 6-3,6-0 |
| ITF Netherlands F1 | 2018/06/26 17:40 | Stephan Fransen v Dax Donders | 6-2,6-4 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Dax Donders v Daniel Batista | 2-6,2-6 |