Stadium: Court 3 Round: 25 Ground: Carpet indoor
| ITF M15 Tabarka | 2019/10/06 11:00 | Ignacio Vinas v Nikolas Lahky | 6-3,7-5 |
| ITF M15 Tabarka | 2019/10/02 08:30 | Nikolas Lahky v Marc Dijkhuizen | 3-6,5-7 |
| ITF M15 Tabarka | 2019/09/30 08:30 | Nikolas Lahky v Miguel Fernando Pereira | 2-6,6-4,10-2 |
| ITF M15 Tabarka | 2019/09/29 11:00 | Gregorio Lulli v Nikolas Lahky | 7-5,1-6,5-10 |
| ITF M25 Ricany | 2019/09/22 08:00 | Nikolas Lahky v Noah Thurner | 3-6,6-3,8-10 |
| ITF M15 Szekesfehervar | 2019/09/02 08:00 | Juan Pablo Paz v Nikolas Lahky | 6-2,6-2 |
| ITF M15 Szekesfehervar | 2019/09/01 13:00 | Nikolas Lahky v Marcell Bartakovics | 2-6,6-4,10-5 |
| ITF M15 Bratislava | 2019/08/25 08:00 | Nikolas Lahky v Lukas Palovic | 2-6,6-7 |
| ITF M15 Liberec | 2019/10/23 07:55 | Petr Michnev v Lucas Catarina | 6-1,4-6,6-3 |
| ITF M15 Getafe Madrid | 2019/10/19 08:30 | Nicolas Alvarez Varona v Lucas Catarina | 6-2,6-3 |
| ITF M15 Getafe Madrid | 2019/10/18 12:00 | Lucas Catarina v David Jorda Sanchis | 6-0,6-1 |
| ITF M15 Getafe Madrid | 2019/10/17 11:00 | Lucas Catarina v Remy Bertola | 6-2,6-3 |
| ITF M15 Getafe Madrid | 2019/10/16 08:30 | Lucas Catarina v Gabriele Moghini | 4-6,6-0,6-3 |
| ITF M25 Falun | 2019/10/01 10:55 | Lucas Catarina v Anton Matusevich | 6-7,6-7 |
| ITF M25 Stockholm | 2019/09/25 12:00 | Patrik Niklas-Salminen v Lucas Catarina | 6-4,7-6 |
| ITF M15 Pajulahti | 2019/09/20 07:00 | Savriyan Danilov v Lucas Catarina | 4-6,6-4,6-4 |