Stadium: Court 12 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/09/20 14:00 | Colin Markes v Lance A L Castelan | 6-2,6-1 |
| ITF M15 Cancun | 2021/09/19 14:00 | Colin Markes v Enzo Frances Tessari | 6-1,6-3 |
| UTR Pro Tennis Series Dallas | 2021/09/05 13:00 | Tadeas Paroulek v Colin Markes | 6-3,6-2 |
| UTR Pro Tennis Series Dallas | 2021/09/04 13:00 | Colin Markes v Kiranpal Pannu | 6-2,5-3 |
| UTR Pro Tennis Series Dallas | 2021/09/03 13:00 | Colin Markes v Sander Jong | 1-6,6-4,2-5 |
| UTR Pro Tennis Series Dallas | 2021/09/01 13:00 | Colin Markes v Stefan Latinov | 6-2,6-3 |
| UTR Pro Tennis Series Dallas | 2021/08/31 15:00 | Colin Markes v Jerry Barton | 6-3,6-1 |
| UTR Pro Tennis Series Dallas | 2021/08/30 16:00 | Jacob Brumm v Colin Markes | 1-6,5-7 |
| ITF M15 Cancun | 2021/09/19 14:00 | Nikolas Moceanu v Oscar Matias Leiva Biason | 6-1,6-3 |
| ITF M15 Monastir | 2021/08/01 10:00 | Nikolas Moceanu v Martin Dimitrov | 3-6,2-6 |
| ITF M15 Monastir | 2021/07/28 10:15 | Joshua Sheehy v Nikolas Moceanu | 3-6,6-1,6-2 |
| ITF M15 Monastir | 2021/07/11 11:00 | Nikolas Moceanu v Joshua Sheehy | 6-7,5-7 |
| ITF M25 Fort Worth | 2019/10/20 15:00 | Nikolas Moceanu v Rodrigo Banzer | 4-6,1-6 |
| ITF M15 Cancun | 2019/05/28 15:00 | Nikolas Moceanu v Nicholas Shamma | 6-4,6-7,1-10 |
| ITF M15 Cancun | 2019/05/27 15:30 | Errol Smith v Nikolas Moceanu | 6-4,6-7,8-10 |
| ITF M15 Cancun | 2019/05/20 14:30 | Nikolas Moceanu v Emmett Ward | 4-6,2-6 |