Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/09/26 15:00 | Moceanu, Nikolas v Julian Cundom | 6-1,4-6,9-11 |
| ITF M15 Cancun | 2021/09/22 14:00 | Murkel Dellien v Moceanu, Nikolas | 6-3,6-3 |
| ITF M15 Cancun | 2021/09/21 14:00 | Colin Markes v Moceanu, Nikolas | 6-3,6-2 |
| ITF M15 Cancun | 2021/09/19 14:00 | Moceanu, Nikolas v Leiva Biason, Oscar Mattias | 6-1,6-3 |
| ITF - M15 Monastir | 2021/08/01 10:00 | Moceanu, Nikolas v Dimitrov, Martin | 3-6,2-6 |
| ITF - M15 Monastir | 2021/07/28 10:15 | Joshua Sheehy v Moceanu, Nikolas | 3-6,6-1,6-2 |
| ITF - M15 Monastir | 2021/07/11 11:00 | Moceanu, Nikolas v Joshua Sheehy | 6-7,5-7 |
| Fort Worth, Singles Qualifying M-ITF-USA-42A | 2019/10/20 15:00 | Moceanu, Nikolas v Banzer, Rodrigo | 4-6,1-6 |
| ITF M15 Cancun | 2021/10/03 19:45 | Leiva Biason, Oscar Mattias v Telles, Leonardo | 3-6,2-6 |
| ITF M15 Cancun | 2021/09/29 16:05 | Telles, Leonardo v Federico Agustin Gomez | 4-6,2-6 |
| ITF M15 Cancun | 2021/09/24 19:30 | Osgar O'Hoisin v Telles, Leonardo | 7-5,2-6,7-5 |
| ITF M15 Cancun | 2021/09/23 21:20 | Telles, Leonardo v Christian Langmo | 6-7,6-3,6-3 |
| ITF M15 Cancun | 2021/09/21 14:00 | Seita Watanabe v Telles, Leonardo | 3-6,6-4,5-7 |
| ITF M25 Sintra | 2021/09/07 08:30 | Cabral, Francisco v Telles, Leonardo | 6-3,6-4 |
| ITF M25 Sintra | 2021/09/06 10:35 | Jaime Faria v Telles, Leonardo | 1-6,2-6 |
| ITF M15 Almada | 2021/07/04 10:30 | Telles, Leonardo v Pinho, Tomas | 4-6,3-6 |