Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Prague | 2021/10/04 12:30 | Boris Fassbender v Dominik Recek | 7-5,6-2 |
| ITF M25 Prague | 2021/10/03 13:00 | Boris Fassbender v Svyatoslav Ilnytskyy | 7-5,6-4 |
| ITF M15 Forbach | 2021/10/01 10:00 | Boris Fassbender v Luke Johnson | 3-6,5-7 |
| ITF M15 Forbach | 2021/09/30 16:20 | Boris Fassbender v Marlon Vankan | 6-2,6-4 |
| ITF M15 Forbach | 2021/09/29 15:35 | Gauthier Onclin v Boris Fassbender | 4-6,4-6 |
| ITF M25 Angers | 2021/04/18 11:00 | Simon Reveniau v Boris Fassbender | 6-4,4-6,10-6 |
| ITF M15 Poitiers | 2021/03/14 13:20 | Hugo Voljacques v Boris Fassbender | 7-6,7-5 |
| ITF M15 Grenoble | 2021/02/07 08:30 | Pierre Delage v Boris Fassbender | 6-4,6-2 |
| ITF M25 Pardubice | 2021/09/23 11:00 | Filip Misolic v Andrew Paulson | 3-6,7-5,6-2 |
| ITF M25 Pardubice | 2021/09/23 07:30 | Dominik Recek v Andrew Paulson | 2-6,6-7 |
| UTR Pro Tennis Series Ricany | 2021/09/19 07:00 | Filip Duda v Andrew Paulson | 0-0 |
| UTR Pro Tennis Series Ricany | 2021/09/18 09:00 | Petr Hajek v Andrew Paulson | 4-6,1-6 |
| UTR Pro Tennis Series Ricany | 2021/09/17 10:30 | Andrey Chepelev v Andrew Paulson | 3-6,2-5 |
| UTR Pro Tennis Series Ricany | 2021/09/16 08:30 | Marek Jaloviec v Andrew Paulson | 6-3,2-6,6-7 |
| UTR Pro Tennis Series Ricany | 2021/09/14 10:30 | Jiri Jenicek v Andrew Paulson | 3-6,4-5 |
| UTR Pro Tennis Series Ricany | 2021/09/13 09:00 | Andrew Paulson v Dominik Suc | 4-6,7-6,6-0 |