Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Bratislava | 2021/08/25 13:05 | Gorazd Srbljak v Peter Nad | 6-2,6-1 |
| ITF M15 Warmbad-Villach | 2021/08/17 12:00 | Gorazd Srbljak v Lorenzo Vatteroni | 3-6,1-6 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Gorazd Srbljak v Mattia Ghedin | 6-2,6-0 |
| ITF M15 Novi Sad | 2021/08/06 10:50 | Mate Valkusz v Gorazd Srbljak | 6-2,6-1 |
| ITF M15 Novi Sad | 2021/08/05 14:20 | Matic Spec v Gorazd Srbljak | 4-6,2-6 |
| ITF M15 Novi Sad | 2021/08/04 10:00 | Gorazd Srbljak v Peter Nagy | 3-6,6-4,7-5 |
| ITF M15 Novi Sad | 2021/08/03 10:20 | Gorazd Srbljak v Ivailo Keremedchiev | 6-1,7-5 |
| ITF M15 Novi Sad | 2021/08/02 09:30 | Gorazd Srbljak v Alan Postay | 6-1,6-4 |
| ITF M15 Bratislava | 2021/08/25 08:00 | Lukas Palovic v Danylo Kalenichenko | 2-6,2-6 |
| ITF M15 Bratislava | 2021/08/17 10:30 | Peter Fajta v Danylo Kalenichenko | 4-6,6-3,6-2 |
| Challenger Prague | 2021/08/09 08:00 | Danylo Kalenichenko v Emilio Nava | 3-6,2-6 |
| Challenger Prague | 2021/08/08 09:30 | Kyrian Jacquet v Danylo Kalenichenko | 6-7,4-6 |
| ITF M25 Kottingbrunn | 2021/07/21 10:00 | Bogdan Ionut Apostol v Danylo Kalenichenko | 1-6,6-4,6-2 |
| ITF M25 Telfs | 2021/07/13 09:00 | Danylo Kalenichenko v Kirill Kivattsev | 4-6,3-6 |
| ITF M15 Bergamo | 2021/06/23 07:30 | Danylo Kalenichenko v Edoardo Eremin | 1-6,4-6 |
| ITF M15 Novomoskovsk | 2021/06/06 07:00 | Danylo Kalenichenko v Matias Zukas | 4-6,6-0,4-6 |