Stadium: Court 08 Round: 44 Ground: Hardcourt outdoor
| ITF M15 - Cancun | 2021/09/26 17:00 | Diego Bustamante v Colin Markes | 1-6,0-6 |
| ITF M15 - Cancun | 2021/09/22 15:55 | Colin Markes v Christian Langmo | 6-7,6-4,2-6 |
| ITF M15 - Cancun | 2021/09/21 14:00 | Colin Markes v Nikolas Moceanu | 6-3,6-2 |
| 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 |
| ITF M15 - Cancun | 2021/09/26 17:00 | Hillel Rousseau v Austin Ansari | 4-6,2-6 |
| UTR Pro Tennis Series - Californië | 2021/09/05 15:00 | Austin Ansari v Alessandro-D Ventre | 6-3,2-6,7-6 |
| UTR Pro Tennis Series - Californië | 2021/09/04 15:00 | Austin Ansari v Shahin Khaledan | 6-2,6-3 |
| UTR Pro Tennis Series - Californië | 2021/09/01 15:00 | Austin Ansari v Martin Mazev | 6-4,5-1 |
| UTR Pro Tennis Series - Californië | 2021/08/31 19:30 | Austin Ansari v Ryan Seggerman | 6-7,3-6 |
| UTR Pro Tennis Series - Californië | 2021/08/29 21:30 | Jacob Bullard v Austin Ansari | 6-7,1-5 |
| ITF - M15 Monastir | 2021/07/28 08:00 | Luca Potenza v Austin Ansari | 7-6,7-6 |
| ITF - M15 Monastir | 2021/07/26 14:30 | Maxence Beauge v Austin Ansari | 6-7,6-2,10-5 |