Stadium: Court 12 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 Santo Domingo | 2023/11/06 13:30 | Telles, Leonardo v Diego I Munoz Gajardo | 6-1,6-0 |
| ITF - M15 Villa Maria | 2023/11/02 16:00 | Nicolas Bruna v Telles, Leonardo | 7-6,6-3 |
| ITF - M15 Villa Maria | 2023/10/31 13:00 | Pini, Francisco v Telles, Leonardo | 2-6,2-6 |
| ITF - M15 Villa Maria | 2023/10/30 13:00 | Telles, Leonardo v Aguilar, Federico Juan | 6-1,6-2 |
| ITF - M15 Villa Maria | 2023/10/29 16:30 | Dikenstein, Ivan v Telles, Leonardo | 0-6,0-6 |
| ITF M25 Lajeado | 2023/10/13 00:20 | Pedro Sakamoto v Telles, Leonardo | 6-3,6-4 |
| ITF M25 Sintra | 2023/09/13 09:00 | Telles, Leonardo v Martin Damm | 3-6,2-6 |
| ITF M25 Sintra | 2023/09/12 09:00 | Diogo Marques v Telles, Leonardo | 6-4,4-6,8-10 |
| ITF - M25 Santo Domingo | 2023/11/06 13:30 | Ignasi Forcano v Stepan Mruzek | 6-4,3-6,10-12 |
| ITF M25 Pardubice | 2023/09/19 08:00 | Recek, Dominik v Stepan Mruzek | 6-1,6-1 |
| ITF M25 Pardubice | 2023/09/18 08:00 | Paulovcak, Samuel v Stepan Mruzek | 4-6,5-7 |
| ITF M25 Pardubice | 2023/09/17 08:00 | Stepan Mruzek v Maurus Malgiaritta | 7-6,6-4 |
| ITF M15 Vienna | 2023/08/30 12:45 | Andrey Chepelev v Stepan Mruzek | 4-6,6-1,6-3 |
| ITF M15 Vienna | 2023/08/28 10:30 | Stepan Mruzek v Kyle Overmyer | 6-3,7-5 |
| ITF M15 Vienna | 2023/08/27 08:00 | Stepan Mruzek v Ryan Johnson | 6-2,7-5 |
| ITF M15 Frankfurt Am Main | 2023/08/09 10:15 | Yunis, Facundo v Stepan Mruzek | 6-2,6-4 |