Stadium: Court 08 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Austin | 2019/11/20 19:20 | Colin Markes v Tyler Zink | 6-7,6-7 |
| ITF M15 Austin | 2019/11/19 16:00 | Colin Markes v Eric Morris | 6-3,6-3 |
| ITF M15 Austin | 2019/11/18 16:00 | Colin Markes v Eduardo N Irizarry | 6-4,6-1 |
| ITF M25 Fort Worth | 2019/10/21 15:00 | Colin Markes v Alfredo Perez | 4-6,0-6 |
| ITF M25 Fort Worth | 2019/10/20 15:00 | Kyle Overmyer v Colin Markes | 1-6,0-6 |
| ITF M25 Norman | 2019/09/30 15:00 | Alexander Cozbinov v Colin Markes | 7-5,7-5 |
| ITF M25 Norman | 2019/09/29 15:00 | Colin Markes v Hunter Heck | 7-6,6-4 |
| ITF M25 Chiswick | 2019/08/05 10:55 | Brandon Murphy v Colin Markes | 6-4,6-2 |
| ITF M15 Heraklion | 2021/06/07 07:30 | Austin Ansari v William Griffith | 1-6,1-6 |
| ITF M15 Heraklion | 2021/06/06 09:00 | Austin Ansari v Enzo Frances Tessari | 6-0,6-2 |
| ITF M15 Heraklion | 2021/06/01 06:30 | Austin Ansari v William Griffith | 1-6,0-6 |
| ITF M15 Heraklion | 2021/05/31 09:00 | Austin Ansari v Ammar Elamin | 4-6,6-4,10-5 |
| ITF M15 Heraklion | 2021/05/30 15:00 | Gianmarco Ferrari v Austin Ansari | 6-3,4-6,8-10 |
| ITF M15 Heraklion | 2021/05/23 08:00 | Mattia Bellucci v Austin Ansari | 6-4,7-5 |
| ITF M15 Heraklion | 2021/05/16 09:00 | Eric Morris v Austin Ansari | 4-6,6-3,10-7 |
| UTR Pro Tennis Series Cancun | 2021/04/06 15:00 | Luis Patino v Austin Ansari | 6-3,6-3 |