| ITF M15 Monastir | 2021/11/09 09:00 | Christoph Negritu v Simon Beaupain | 6-3,5-7,3-6 |
| ITF M15 Monastir | 2021/11/06 08:30 | Clement Tabur v Christoph Negritu | 4-6,6-2,6-3 |
| ITF M15 Monastir | 2021/11/05 11:00 | Christoph Negritu v Ugo Blanchet | 6-4,6-2 |
| ITF M15 Monastir | 2021/11/04 12:30 | Christoph Negritu v Nikita Volonski | 6-2,6-2 |
| ITF M15 Monastir | 2021/11/03 10:45 | Christoph Negritu v Olivier Rojas | 7-5,7-6 |
| ITF M15 Monastir | 2021/10/26 10:00 | Robin Bertrand v Christoph Negritu | 6-2,3-6,6-2 |
| ITF M15 Monastir | 2021/10/01 09:35 | Christoph Negritu v Gage Brymer | 6-3,5-7,4-6 |
| ITF M15 Monastir | 2021/09/30 08:00 | Christoph Negritu v Kazuki Nishiwaki | 6-1,6-3 |
| ITF M25 Hamburg | 2021/10/17 08:00 | Flemming Peters v George Houghton | 5-7,5-7 |
| ITF M25 Skopje | 2021/09/27 10:55 | Shendrit Deari v Flemming Peters | 2-6,6-1,10-4 |
| ITF M15 Ulcinj | 2021/09/20 11:30 | Leonardo Rossi v Flemming Peters | 6-3,6-2 |
| ITF M15 Ulcinj | 2021/09/20 08:00 | Ervin H Eminefendic v Flemming Peters | 1-6,0-6 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Matthew Dellavedova v Flemming Peters | 6-3,0-6,10-6 |
| ITF M25 Poznan | 2021/08/24 08:00 | Ivan Kazakov v Flemming Peters | 2-6,7-5,10-3 |
| ITF M25 Poznan | 2021/08/22 08:00 | Thijmen Loof v Flemming Peters | 5-7,3-6 |
| ITF M15 Oldenzaal | 2021/08/15 07:30 | Zachary Eisinga v Flemming Peters | 6-0,6-3 |