Stadium: Court 1 Round: 62 Ground: Clay
| ITF M25 Kiseljak | 2021/05/23 12:00 | Viktor Jovic v Michel Hopp | 7-5,4-6,10-6 |
| ITF M15 Brcko | 2021/05/18 08:15 | Viktor Jovic v Michel Hopp | 2-6,6-3,10-5 |
| ITF M15 Antalya | 2021/04/25 07:00 | Taiyo Yamanaka v Michel Hopp | 6-3,6-4 |
| ITF M15 Antalya | 2021/04/04 06:30 | Niklas Guttau v Michel Hopp | 6-1,6-3 |
| ITF M15 Antalya | 2021/11/29 06:00 | Mert Ramadan v Credit Chaiyarin | 5-7,6-7 |
| ITF M25 Columbus | 2021/11/16 16:35 | Credit Chaiyarin v Tom Dynka | 6-1,6-1 |
| ITF M25 Harlingen | 2021/11/10 16:35 | Credit Chaiyarin v Tyler Zink | 5-7,5-7 |
| 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 |