Stadium: Centre Round: 62 Ground: Clay
| ITF M15 Melilla | 2021/09/20 13:00 | Marc Ceballos v Noah Lopez | 2-6,3-6 |
| ITF M25 Madrid | 2021/09/13 08:00 | Marc Ceballos v Oscar Galimardanov | 5-7,3-6 |
| ITF M25 Oviedo | 2021/08/29 14:05 | Marc Ceballos v Chanon Phunsawat | 3-6,4-6 |
| ITF M25 Denia | 2021/07/26 08:00 | Marc Ceballos v Max Alcala Gurri | 1-6,3-6 |
| Czechia Extraliga | 2021/12/15 10:20 | Vit Kopriva v Dominik Kellovsky | 6-4,6-4 |
| Czechia Extraliga | 2021/12/14 10:20 | Dominik Kellovsky v Lukas Lacko | 4-6,4-6 |
| ITF M15 Ostrava | 2021/11/25 12:10 | Dominik Kellovsky v Remy Bertola | 6-3,6-7,4-6 |
| ITF M15 Ostrava | 2021/11/24 11:00 | Dominik Kellovsky v Lukas Velik | 6-3,6-2 |
| ITF M15 Ostrava | 2021/11/22 10:35 | Milos Karol v Dominik Kellovsky | 6-7,3-6 |
| ITF M15 Ostrava | 2021/11/21 09:00 | Martin Benes v Dominik Kellovsky | 1-6,2-6 |
| ITF M15 Opava | 2021/11/17 10:25 | Marvin Moeller v Dominik Kellovsky | 6-4,6-4 |
| ITF M15 Opava | 2021/11/15 09:00 | Lukas Velik v Dominik Kellovsky | 6-3,1-6,3-10 |