| ITF M15 Ithaca | 2021/11/03 14:00 | Nico Mostardi v Credit Chaiyarin | 6-4,6-2 |
| ITF M15 Ithaca | 2021/11/02 14:00 | Credit Chaiyarin v Varun Jayaram | 6-1,6-1 |
| ITF M15 Vero Beach | 2021/10/20 21:45 | Credit Chaiyarin v Benjamin Kittay | 6-7,4-6 |
| ITF M25 Vero Beach | 2021/10/19 16:00 | Hugo Cazaban v Credit Chaiyarin | 4-6,4-6 |
| ITF M25 Vero Beach | 2021/10/18 16:00 | Martin Maldonado v Credit Chaiyarin | 0-6,3-6 |
| ITF M15 Naples | 2021/10/13 14:55 | Credit Chaiyarin v Jake Van Emburgh | 4-6,3-6 |
| ITF M15 Naples | 2021/10/12 13:30 | Marco De Rossi v Credit Chaiyarin | 3-6,6-4,10-6 |
| ITF M15 Naples | 2021/10/11 13:30 | Anton Semenov v Credit Chaiyarin | 3-6,5-7 |
| UTR Pro Tennis Series Miami | 2021/11/04 18:30 | Wyatt DeMulling v Kian Vakili | 5-7,1-5 |
| UTR Pro Tennis Series Miami | 2021/11/03 15:30 | Mark Wallner v Kian Vakili | 6-4,5-3 |
| UTR Pro Tennis Series Miami | 2021/11/01 18:00 | Bruno Caula v Kian Vakili | 7-6,0-6,5-1 |
| UTR Pro Tennis Series Florida | 2021/08/25 13:00 | Kian Vakili v Jorge Panta | 2-6,4-6 |
| UTR Pro Tennis Series Florida | 2021/08/24 15:00 | Kian Vakili v Mateo Barreiros Reyes | 6-7,7-5,3-6 |
| UTR Pro Tennis Series Florida | 2021/08/23 12:00 | Kian Vakili v Parth Aggarwal | 6-4,5-3 |