Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/10/31 07:00 | Pavel Verbin v Petar Jovanovic | 4-6,6-3,10-7 |
| ITF M15 Antalya | 2021/10/26 09:05 | Alexandr Binda v Pavel Verbin | 7-6,6-0 |
| ITF M15 Antalya | 2021/10/25 12:20 | Ezequiel Simonit v Pavel Verbin | 3-6,6-3,2-10 |
| ITF M15 Antalya | 2021/10/24 07:00 | Caspar Schuetze v Pavel Verbin | 4-6,6-7 |
| ITF M15 Kazan | 2021/10/16 11:20 | Pavel Verbin v Bogdan Bobrov | 4-6,2-6 |
| ITF M15 Kazan | 2021/10/15 07:30 | Egor Agafonov v Pavel Verbin | 2-6,6-4,3-6 |
| ITF M15 Kazan | 2021/10/14 08:20 | Pavel Verbin v Konstantin Kravchuk | 7-5,6-3 |
| ITF M15 Kazan | 2021/10/13 11:15 | Semen Voronin v Pavel Verbin | 1-6,2-6 |
| ITF M15 Antalya | 2021/10/31 07:00 | Jakub Katuch v S Mert Ozdemir | 6-4,6-1 |
| ITF M15 Antalya | 2021/10/25 10:30 | Jakub Katuch v Gabriel Ciro Da Silva | 6-2,3-6,4-10 |
| ITF M15 Antalya | 2021/10/17 07:00 | Jakub Katuch v Gabriel Ciro Da Silva | 6-4,3-6,14-16 |
| ITF M25 Budapest | 2021/09/26 11:00 | Mark Havlicek v Jakub Katuch | 6-2,6-4 |
| ITF M25 Pardubice | 2021/09/20 09:00 | Filip Duda v Jakub Katuch | 6-1,6-1 |
| ITF M25 Ricany | 2021/08/29 09:00 | Jakub Katuch v Martin Benes | 3-6,3-6 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Marek Semjan v Jakub Katuch | 6-4,6-4 |
| ITF M25 Telfs | 2021/07/11 09:00 | Jakub Katuch v Niklas Waldner | 1-6,3-6 |