Stadion: Court 3 Round: 44 Ground: Clay
| ITF - M15 - Gdynia | 2021/08/11 09:40 | Antonin Bolardt v Gilbert S K Junior | 6-2,1-6,2-6 |
| ITF - M15 - Gdynia | 2021/08/10 08:00 | Illya Beloborodko v Antonin Bolardt | 6-7,1-6 |
| ITF - M15 - Gdynia | 2021/08/09 08:00 | Svyatoslav Ilnytskyy v Antonin Bolardt | 4-6,5-7 |
| ITF - M15 - Gdynia | 2021/08/08 08:00 | Mikolaj Szmyrgala v Antonin Bolardt | 2-6,2-6 |
| ITF - M25 - Most | 2021/05/27 07:55 | Antonin Bolardt v Markus Eriksson | 6-4,6-4 |
| ITF - M25 - Most | 2021/05/26 09:35 | Antonin Bolardt v Marek Gengel | 7-6,6-0 |
| ITF - M25 - Most | 2021/05/25 10:10 | Antonin Bolardt v Jakub Beran | 6-1,6-1 |
| ITF - M25 - Most | 2021/05/24 09:00 | Antonin Bolardt v Mark Havlicek | 6-2,6-2 |
| ITF - M25 - Ricany | 2021/08/29 09:00 | Fermin Calvo Barcelo v Tomas Krcma | 6-2,6-0 |
| ITF - M25 - Posen | 2021/08/25 08:00 | Fermin Calvo Barcelo v Felix Gill | 3-6,6-7 |
| ITF - M25 - Posen | 2021/08/24 16:10 | Harry Wendelken v Fermin Calvo Barcelo | 6-2,6-3 |
| ITF - M25 - Posen | 2021/08/24 08:00 | Juliusz Bienkiewicz v Fermin Calvo Barcelo | 4-6,2-6 |
| ITF - M25 - Posen | 2021/08/22 08:00 | Fermin Calvo Barcelo v Adam Bronka | 6-0,6-2 |
| ITF - M15 - Lodz | 2021/08/16 09:30 | Leonardo Aboian v Fermin Calvo Barcelo | 3-6,7-6,10-7 |
| ITF - M15 - Lodz | 2021/08/15 09:30 | Yujiro Onuma v Fermin Calvo Barcelo | 1-6,1-6 |
| ITF - M15 - Monastir | 2021/07/18 09:00 | Fermin Calvo Barcelo v Nikolay Sysoev | 3-6,6-4,6-10 |