Stadion: Court 6 Round: 26 Ground: Clay
| ITF - M25 - Ricany | 2019/09/24 11:30 | Niels Lootsma v Pascal Meis | 6-1,6-2 |
| ITF - M25 - Plaisir | 2019/09/18 09:35 | Antoine Bellier v Niels Lootsma | 6-4,6-7,6-3 |
| ITF - M15 - Oldenzaal | 2019/08/14 11:00 | Niels Lootsma v Zachary Eisinga | 7-6,3-6,1-6 |
| ITF - M25 - Troyes | 2019/07/23 15:00 | Nicolas Tepmahc v Niels Lootsma | 4-6,6-7 |
| Challenger - Amersfoort | 2019/07/15 11:10 | Aleksandre Metreveli v Niels Lootsma | 6-3,4-6,6-4 |
| ITF - M15 - Den Haag | 2019/07/03 07:30 | Niels Lootsma v Dax Donders | 6-1,6-1 |
| 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 - M25 - Ricany | 2019/09/25 14:05 | Wojciech Marek v Robert Rumler | 7-5,7-6 |
| ITF - M25 - Ricany | 2019/09/24 08:00 | Wojciech Marek v Filip Michl | 6-1,6-1 |
| ITF - M25 - Ricany | 2019/09/23 09:00 | Wojciech Marek v Matyas Cerny | 6-0,6-0 |
| Challenger - Posen | 2019/06/04 08:00 | Wojciech Marek v Sekou Bangoura | 4-6,1-6 |
| ITF - M15 - Piestany | 2019/05/10 12:20 | Wojciech Marek v Peter Nagy | 4-6,6-3,2-6 |
| ITF - M15 - Piestany | 2019/05/10 08:00 | Danylo Kalenichenko v Wojciech Marek | 1-6,5-7 |
| ITF - M15 - Piestany | 2019/05/08 08:00 | Wojciech Marek v Toby Alex Kodat | 6-3,6-2 |
| ITF - Tschechien F11 | 2018/11/23 10:00 | Wojciech Marek v Jiri Lehecka | 1-6,6-4,5-7 |