Stadion: Court 4 Round: 44 Ground: Clay
| ITF - M25 - Ricany | 2021/08/30 08:00 | Antonin Bolardt v Fermin Calvo Barcelo | 6-2,6-2 |
| 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 - Ricany | 2021/08/29 10:30 | Roman Ruenger v Filip Kana | 4-6,2-6 |
| ITF - M25 - Prostejov | 2021/08/15 08:00 | Filip Kana v Victor Sklenka | 1-6,1-6 |
| ITF - M25 - Kottingbrunn | 2021/07/19 12:20 | Filip Kana v Gabriele Datei | 1-6,3-6 |
| ITF - M15 - Sharm El Sheikh | 2021/03/21 11:30 | Filip Kana v Ben Jones | 0-6,3-6 |
| ITF - M15 - Sharm El Sheikh | 2021/03/15 11:30 | Daniel Little v Filip Kana | 6-3,6-2 |