Stadium: Court 7 Round: 25 Ground: Clay
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/30 08:30 | Lahky, Nikolas v Pereira, Miguel Fernando | 2-6,6-4,10-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/29 11:00 | Lulli, Gregorio v Lahky, Nikolas | 7-5,1-6,5-10 |
| ITF M25 Ricany | 2019/09/22 08:00 | Lahky, Nikolas v Noah Thurner | 3-6,6-3,8-10 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/02 08:00 | Juan Pablo Paz v Lahky, Nikolas | 6-2,6-2 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/01 13:00 | Lahky, Nikolas v Marcell Bartakovics | 2-6,6-4,10-5 |
| ITF M15 Bratislava | 2019/08/25 08:00 | Lahky, Nikolas v Lukas Palovic | 2-6,6-7 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/12 08:00 | Lahky, Nikolas v Galus, Piotr | 3-6,6-3,8-10 |
| Piestany, Singles M-ITF-SVK-02A | 2019/05/07 09:00 | Fekiac, Martin v Lahky, Nikolas | 6-3,7-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/26 11:05 | Dougaz, Aziz v Dijkhuizen, Marc | 6-4,6-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/25 08:30 | Aziz Ouakaa v Dijkhuizen, Marc | 2-6,7-6,5-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/17 11:15 | Dijkhuizen, Marc v Mateus Alves | 2-6,7-6,2-6 |
| ITF M15 Haren | 2019/08/26 11:30 | Dijkhuizen, Marc v Lopez, Luis Humberto | 6-4,6-0 |
| ITF M15 Oldenzaal | 2019/08/13 17:00 | Eleveld, Justin v Dijkhuizen, Marc | 6-2,6-3 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/08/01 09:00 | Jordan Correia Passos Do Carmo v Dijkhuizen, Marc | 4-6,6-1,7-5 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/07/31 09:00 | Mzai, Ismael Changawa Ruwa v Dijkhuizen, Marc | 3-6,6-3,3-6 |
| ITF M15 Casablanca | 2019/07/25 11:05 | Dijkhuizen, Marc v Fermin Tenti | 6-3,1-6,3-6 |