Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| 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 Antalya | 2021/11/07 06:30 | Mirko Lagasio v Danil Spasibo | 2-6,1-6 |
| ITF M15 Antalya | 2021/10/31 07:00 | Mirko Lagasio v Thiago Cigarran | 4-6,6-2,3-10 |
| ITF M15 Antalya | 2021/10/24 07:00 | Gabriele Maria Noce v Mirko Lagasio | 6-1,6-2 |
| ITF M25 Sintra | 2021/09/14 09:55 | Jip Van Assendelft v Mirko Lagasio | 7-6,6-0 |
| ITF M25 Sintra | 2021/09/13 16:20 | Mirko Lagasio v Illia Stoliar | 6-4,6-4 |
| ITF M25 Sintra | 2021/09/12 12:00 | Martim Marujo v Mirko Lagasio | 6-7,3-6 |
| ITF M25 Sintra | 2021/09/06 12:00 | Alastair Gray v Mirko Lagasio | 6-0,6-2 |
| ITF M25 Sintra | 2021/09/05 08:30 | Mirko Lagasio v Martim Marujo | 6-4,4-6,11-9 |