Stadium: MTA 24 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/11/21 06:30 | Mert Ramadan v David Hough | 1-6,1-6 |
| ITF M15 Antalya | 2021/10/31 07:00 | Mert Ramadan v Aziz Dadabaev | 3-6,2-6 |
| ITF M15 Antalya | 2021/10/24 07:00 | Mert Ramadan v Mark Havlicek | 5-7,5-7 |
| ITF M15 Sozopol | 2021/10/10 13:30 | Stefan Luckanov v Mert Ramadan | 7-6,6-2 |
| ITF M15 Sozopol | 2021/10/03 09:00 | S Mert Ozdemir v Mert Ramadan | 5-7,6-4,10-6 |
| ITF M15 Sozopol | 2021/09/15 09:30 | Mert Ramadan v Petru-Alexandru Luncanu | 6-1,2-6,2-6 |
| ITF M15 Sozopol | 2021/09/14 07:00 | Vlad Stoica v Mert Ramadan | 5-7,2-6 |
| ITF M15 Sozopol | 2021/09/13 07:00 | Stefan Luckanov v Mert Ramadan | 1-6,4-6 |
| 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 |
| ITF M25 Vero Beach | 2021/10/18 16:00 | Martin Maldonado v Credit Chaiyarin | 0-6,3-6 |