Stadium: Court 3 Round: 44 Ground: Clay
| 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 |
| ITF Czech Republic F9 | 2018/11/04 09:00 | Recek, Dominik v Lahky, Nikolas | 6-1,7-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/22 13:30 | Fausto Tabacco v Pereira, Miguel Fernando | 7-5,7-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/18 08:30 | Ignacio Monzon v Pereira, Miguel Fernando | 6-1,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/16 08:30 | Danilchenko, Ilarion v Pereira, Miguel Fernando | 6-7,4-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/15 14:30 | Vito Dell'Elba v Pereira, Miguel Fernando | 4-6,6-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/15 08:00 | Ryan, Joshua v Pereira, Miguel Fernando | 4-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/08 12:45 | Pereira, Miguel Fernando v Leonardo Catani | 4-6,6-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/03 12:15 | Pereira, Miguel Fernando v Mikalai Haliak | 1-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/25 08:00 | Rodriguez, Lisandru v Pereira, Miguel Fernando | 6-0,6-3 |