Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 St Petersburg | 2021/04/12 08:35 | Matvey Minin v Stepan Pecak | 7-5,6-3 |
| ITF M15 St Petersburg | 2021/04/11 07:00 | Stepan Pecak v Glenn Smits | 6-3,6-1 |
| ITF M15 St Petersburg | 2021/04/04 10:05 | Daniil Glinka v Stepan Pecak | 7-5,6-1 |
| ITF M15 Bratislava | 2021/03/10 14:40 | Stepan Pecak v Martin Krumich | 7-6,5-7,1-6 |
| ITF M15 Bratislava | 2021/03/09 09:00 | Niklas Rohrer v Stepan Pecak | 6-7,6-4,10-12 |
| ITF M15 Bratislava | 2021/03/08 12:00 | Andrej Krajcik v Stepan Pecak | 3-6,2-6 |
| ITF M15 Bratislava | 2021/03/01 09:00 | Stepan Pecak v Mate Voros | 5-7,3-6 |
| ITF M15 Sharm El Sheikh | 2021/02/10 12:10 | Stepan Pecak v Sandro Ehrat | 2-6,5-7 |
| ITF M25 Prague | 2021/05/09 08:30 | Ondrej Valek v Jean Thirouin | 6-3,6-7,4-10 |
| ITF M15 Antalya | 2021/05/04 07:00 | Jean Thirouin v Louroi Martinez | 4-6,2-6 |
| ITF M15 Antalya | 2021/05/03 07:00 | Jean Thirouin v Vladislav Melnic | 6-2,6-1 |
| ITF M15 Antalya | 2021/05/02 06:00 | Jean Thirouin v Michalis Sakellaridis | 6-2,6-0 |
| ITF M15 Antalya | 2021/04/25 07:00 | Jean Thirouin v Oscar Moraing | 5-7,4-6 |
| ITF M15 Rovinj | 2021/03/15 10:00 | Jean Thirouin v Emilien Voisin | 2-6,7-5,4-10 |
| ITF M15 Porec | 2021/03/09 12:00 | Jean Thirouin v Clement Tabur | 5-7,5-7 |
| ITF M15 Monastir | 2021/03/02 11:25 | Mateus Alves v Jean Thirouin | 4-6,6-2,6-3 |