Stadium: Court 4 Round: 25 Ground: Clay
| 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 Most | 2021/05/26 09:35 | Bolardt, Antonin v Marek Gengel | 7-6,6-0 |
| ITF M15 Bratislava | 2021/08/26 07:55 | Kirkov, Vasil v Simon Freund | 6-0,6-1 |
| ITF M15 Bratislava | 2021/08/25 11:35 | Simon Freund v Obrad Markovski | 6-3,6-4 |
| ITF M25 The Hague | 2021/06/27 08:00 | Simon Freund v Lodewijk Weststrate | 1-6,3-6 |
| ITF M25 Alkmaar | 2021/06/23 09:00 | Simon Freund v Javier Barranco Cosano | 2-6,6-7 |
| ITF M25 Alkmaar | 2021/06/21 14:30 | Simon Freund v Pisane, Tom | 6-0,6-1 |
| ITF M25 Alkmaar | 2021/06/20 13:30 | Simon Freund v Buvaysar Gadamauri | 6-2,7-5 |
| ITF M15 Helsinki | 2021/06/02 08:10 | Simon Freund v Cuenin, Sean | 2-6,6-4,4-6 |
| ITF M15 Jerusalem | 2021/05/12 07:00 | Yshai Oliel v Simon Freund | 6-0,7-5 |