Stadion: Court 2 Round: 25 Ground: Clay
| ITF - M15 - Bratislava | 2021/08/18 08:00 | Robin Stanek v Lukas Palovic | 7-6,6-1 |
| ITF - M15 - Novi Sad | 2021/08/04 11:20 | Filip Misolic v Lukas Palovic | 6-4,6-4 |
| ITF - M15 - Novi Sad | 2021/08/03 08:00 | Koray Kirci v Lukas Palovic | 6-3,4-6,7-10 |
| ITF - M15 - Novi Sad | 2021/08/02 11:00 | Dusan Rajic v Lukas Palovic | 4-6,1-6 |
| ITF - M15 - Novi Sad | 2021/08/01 14:00 | Stefanos Sakellaridis v Lukas Palovic | 4-6,1-6 |
| ITF - M25 - Kottingbrunn | 2021/07/21 12:05 | Lukas Palovic v Toby Alex Kodat | 2-6,2-6 |
| ITF - M25 - Kottingbrunn | 2021/07/20 08:00 | Martin Krumich v Lukas Palovic | 7-5,6-2 |
| ITF - M25 - Kottingbrunn | 2021/07/19 12:35 | Santiago Giamichelle v Lukas Palovic | 2-6,3-6 |
| ITF - M15 - Bratislava | 2021/08/17 10:30 | Peter Fajta v Danylo Kalenichenko | 4-6,6-3,6-2 |
| Challenger - Prag | 2021/08/09 08:00 | Danylo Kalenichenko v Emilio Nava | 3-6,2-6 |
| Challenger - Prag | 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 |
| ITF - M15 - Novomoskovsk | 2021/06/05 07:30 | Alex M Pujolras v Danylo Kalenichenko | 4-6,6-2,4-6 |