Stadium: Centre Court Round: 14 Ground: Hardcourt indoor
| ITF M25 Prague | 2021/10/07 09:20 | Danylo Kalenichenko v Uladzimir Ignatik | 3-6,6-3,3-6 |
| ITF M25 Prague | 2021/10/07 09:20 | Danylo Kalenichenko v Uladzimir Ignatik | 3-6,6-3,3-6 |
| ITF M25 Prague | 2021/10/05 11:05 | Danylo Kalenichenko v Daniel Paty | 6-4,6-1 |
| Challenger Istanbul | 2021/09/12 09:20 | Nick Chappell v Danylo Kalenichenko | 7-6,6-4 |
| Challenger Kyiv | 2021/09/06 08:00 | Danylo Kalenichenko v Ivan Gakhov | 4-6,2-6 |
| Challenger Kyiv | 2021/09/05 09:25 | Otto Virtanen v Danylo Kalenichenko | 6-3,2-6,4-6 |
| ITF M15 Bratislava | 2021/08/29 08:00 | Mate Valkusz v Danylo Kalenichenko | 6-0,6-2 |
| ITF M15 Bratislava | 2021/08/28 09:00 | Pavel Nejedly v Danylo Kalenichenko | 4-6,2-6 |
| ITF M15 Bratislava | 2021/08/27 09:50 | Stefan Palosi v Danylo Kalenichenko | 4-6,5-7 |
| Challenger Eckental | 2021/11/01 11:15 | Johannes Haerteis v Uladzimir Ignatik | 4-6,6-2,7-6 |
| Challenger Eckental | 2021/10/31 13:00 | Uladzimir Ignatik v Benjamin Hassan | 6-3,6-4 |
| ITF M25 Nur-Sultan | 2021/10/21 05:00 | Ivan Liutarevich v Uladzimir Ignatik | 1-6,6-4,7-5 |
| ITF M25 Nur-Sultan | 2021/10/20 08:25 | Igor Trunov v Uladzimir Ignatik | 3-6,3-6 |
| ITF M25 Prague | 2021/10/08 11:10 | Tobias Simon v Uladzimir Ignatik | 2-6,7-6,6-4 |
| ITF M25 Prague | 2021/10/07 09:20 | Danylo Kalenichenko v Uladzimir Ignatik | 3-6,6-3,3-6 |
| ITF M25 Prague | 2021/10/06 08:55 | Stepan Pecak v Uladzimir Ignatik | 3-6,3-6 |
| Challenger Sibiu | 2021/09/26 07:30 | Uladzimir Ignatik v Oleg Prihodko | 3-6,3-6 |