Stadium: Court 9 Round: 44 Ground: Clay
| ITF M15 Antalya | 2021/11/02 13:00 | Pavel Verbin v Jakub Katuch | 6-4,6-4 |
| 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 M15 Parnu | 2021/10/27 07:00 | Stefan Palosi v Attila Dominik Boros | 6-0,6-3 |
| ITF M15 Parnu | 2021/10/25 10:00 | Attila Dominik Boros v Finn Bischof | 6-4,6-0 |
| ITF M25 Budapest | 2021/09/30 11:25 | Zsombor Piros v Attila Dominik Boros | 6-4,6-3 |
| ITF M25 Budapest | 2021/09/28 07:30 | Zsombor Velcz v Attila Dominik Boros | 7-5,6-7,4-6 |