Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Miami | 2021/11/06 19:30 | Credit Chaiyarin v Kian Vakili | 6-1,0-6,2-5 |
| 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 Fayetteville | 2021/11/03 14:30 | Tyler Zink v Keenan Mayo | 3-6,6-7 |
| ITF M15 Lubbock | 2021/09/30 15:00 | Tyler Zink v Sven Lah | 2-6,4-6 |
| ITF M15 Lubbock | 2021/09/28 15:00 | Harrison Adams v Tyler Zink | 3-6,6-3,4-6 |
| ITF M15 Fayetteville | 2021/09/22 23:10 | Tyler Zink v Florian Broska | 3-6,4-6 |
| ITF M15 Champaign | 2021/09/16 17:30 | Tyler Zink v Martin Damm | 6-7,4-6 |
| ITF M15 Champaign | 2021/09/15 21:35 | Adam Walton v Tyler Zink | 3-6,6-7 |
| ITF M25 Champaign | 2021/09/14 17:00 | Tyler Zink v A.trice Pickens | 6-4,6-2 |
| ITF M15 Weston | 2021/07/01 13:00 | Tyler Zink v Roberto Quiroz | 2-6,0-6 |