Stadium: Center Round: 19 Ground: Hardcourt indoor
| Challenger Lille | 2021/03/21 09:00 | Adrian Andreev v Christopher Heyman | 4-6,6-3,3-6 |
| ITF M25 Vale Do Lobo | 2021/03/11 10:30 | Louis Dussin v Christopher Heyman | 0-6,6-4,7-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:25 | Tiago Cacao v Christopher Heyman | 3-6,2-6 |
| ITF M15 Monastir | 2021/02/16 09:30 | Stuart Parker v Christopher Heyman | 4-6,6-1,6-3 |
| ITF M15 Monastir | 2021/02/09 11:25 | Alexis Gautier v Christopher Heyman | 6-1,7-6 |
| ITF M15 Monastir | 2021/02/03 08:30 | Moez Echargui v Christopher Heyman | 6-1,6-1 |
| ITF M15 Bratislava | 2020/11/24 15:20 | Peter Fajta v Christopher Heyman | 6-7,6-4,6-3 |
| ITF M15 Sarreguemines | 2020/10/29 08:30 | Julien De Cuyper v Christopher Heyman | 4-6,4-6 |
| Challenger Lille | 2021/03/21 09:00 | Jurgen Briand v Dan Added | 6-2,6-4 |
| ITF M15 Bratislava | 2021/03/12 10:35 | Jurgen Briand v Kyrian Jacquet | 7-6,7-6 |
| ITF M15 Bratislava | 2021/03/11 12:10 | Jan Satral v Jurgen Briand | 6-7,6-4,2-6 |
| ITF M15 Bratislava | 2021/03/09 13:00 | Jurgen Briand v Lukas Pokorny | 7-5,6-2 |
| ITF M15 Bratislava | 2021/03/07 09:00 | Jurgen Briand v Vitaliy Sachko | 1-6,6-2,6-7 |
| ITF M15 Bratislava | 2021/03/06 11:30 | Andrew Paulson v Jurgen Briand | 6-7,1-6 |
| ITF M15 Bratislava | 2021/03/05 12:20 | Patrik Rikl v Jurgen Briand | 5-7,1-6 |
| ITF M15 Bratislava | 2021/03/04 10:15 | Michal Dembek v Jurgen Briand | 3-6,4-6 |