Stadium: Court 18 Round: 25 Ground: Clay
| ITF - M15 - Antalya | 2021/06/15 07:30 | Olexiy Kolisnyk v Fletcher Scott | 6-2,7-6 |
| ITF - M15 - Antalya | 2021/06/14 09:45 | Olexiy Kolisnyk v Anton Semenov | 7-6,6-0 |
| ITF - M15 - Antalya | 2021/06/13 07:30 | Kuan-Yi Lee v Olexiy Kolisnyk | 5-7,6-7 |
| ITF - M15 Novomoskovsk | 2021/05/31 07:00 | Aliaksandr Liaonenka v Olexiy Kolisnyk | 3-6,6-3,10-8 |
| ITF - M15 Novomoskovsk | 2021/05/30 06:15 | Olexiy Kolisnyk v Juan Ignacio Alcalde | 6-3,6-4 |
| ITF - M15 Novomoskovsk | 2021/05/24 12:00 | Olexiy Kolisnyk v Alexander Zgirovsky | 7-6,2-6,8-10 |
| ITF - M15 Novomoskovsk | 2021/05/23 08:00 | Olexiy Kolisnyk v Roman Boychuk | 6-4,2-6,10-8 |
| ITF - M15 Káhira | 2021/05/05 11:00 | Jose Pereira v Olexiy Kolisnyk | 7-5,6-0 |
| ITF - M25 Jablonec Nad Nisou | 2021/05/19 07:55 | Adam Pavlásek v Facundo Diaz Acosta | 2-6,3-6 |
| ITF - M25 Praha | 2021/05/12 07:30 | Adam Pavlásek v Jack Draper | 2-6,4-6 |
| ITF - M25 Praha | 2021/05/11 09:30 | Adam Pavlásek v Petr Michnev | 6-4,6-2 |
| ITF - M25 Praha | 2021/05/10 09:00 | Adam Pavlásek v Jiri Barnat | 6-3,4-6,14-12 |
| ITF - M25 Praha | 2021/05/09 10:00 | Adam Pavlásek v Tomas Papik | 6-2,6-7,10-1 |
| Challenger - Ostrava | 2021/04/26 10:50 | Oscar Otte v Adam Pavlásek | 6-2,6-4 |
| Challenger - Ostrava | 2021/04/25 13:35 | Adam Pavlásek v Malek Jaziri | 1-6,6-4,7-5 |
| ITF - M15 - Antalya | 2021/04/09 08:40 | Edoardo Eremin v Adam Pavlásek | 6-2,6-3 |