Stadium: Court 7 Round: 26 Ground: Clay
| ITF M25 Ricany | 2021/09/01 11:40 | Bolardt, Antonin v Simon Freund | 6-2,1-6,6-4 |
| ITF M25 Ricany | 2021/08/31 09:15 | Bolardt, Antonin v Filip Kana | 6-2,6-0 |
| ITF M25 Ricany | 2021/08/30 08:00 | Bolardt, Antonin v Calvo Barcelo, Fermin | 6-2,6-2 |
| ITF M15 Gdynia | 2021/08/11 09:40 | Bolardt, Antonin v Soares Klier, Gilbert | 6-2,1-6,2-6 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Illya Beloborodko v Bolardt, Antonin | 6-7,1-6 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Ilnytskyy, Svyatoslav v Bolardt, Antonin | 4-6,5-7 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Szmyrgala, Mikolaj v Bolardt, Antonin | 2-6,2-6 |
| ITF M25 Most | 2021/05/27 07:55 | Bolardt, Antonin v Eriksson, Markus | 6-4,6-4 |
| ITF M25 Ricany | 2021/09/01 11:40 | Bergevi, Filip v Facundo Diaz Acosta | 3-6,4-6 |
| Challenger - Prague | 2021/08/26 08:30 | Facundo Diaz Acosta v Ryan Peniston | 3-6,1-6 |
| Challenger - Prague | 2021/08/25 08:00 | Matija Pecotic v Facundo Diaz Acosta | 3-6,6-7 |
| Challenger - Prague | 2021/08/24 10:25 | Facundo Diaz Acosta v Donati, Matteo | 6-1,6-3 |
| Challenger - Prague | 2021/08/23 11:00 | Cacao, Tiago v Facundo Diaz Acosta | 4-6,0-6 |
| Challenger - Prague | 2021/08/22 12:00 | Alexander Donski v Facundo Diaz Acosta | 6-4,2-6,5-7 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/21 07:50 | Facundo Diaz Acosta v Nikolas Sanchez Izquierdo | 4-6,6-1,4-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/20 10:00 | Facundo Diaz Acosta v Dalibor Svrcina | 6-3,6-3 |