Stadion: Court 10 Round: 62 Ground: Clay
| ITF - M25 - Bozen | 2021/08/03 15:35 | Petros Tsitsipas v Jonas Greif | 6-3,6-2 |
| ITF - M15 - Monastir | 2021/04/18 10:00 | Leyton Rivera v Jonas Greif | 6-1,6-2 |
| ITF - M15 - Monastir | 2021/04/11 08:00 | Jonas Greif v Yuta Kawahashi | 2-6,3-6 |
| ITF - M15 - Monastir | 2021/03/07 08:00 | Jonas Greif v Luca Castagnola | 2-6,0-6 |
| ITF - M15 - Monastir | 2021/02/28 09:00 | Jonas Greif v Leonardo Civita-Telles | 0-6,5-7 |
| ITF - M15 - Monastir | 2021/02/22 08:00 | Jonas Greif v Kenneth Raisma | 2-6,2-6 |
| ITF - M15 - Monastir | 2021/02/21 11:00 | Jonas Greif v Thomas George Brun | 6-4,6-0 |
| ITF - M15 - Monastir | 2021/02/15 09:00 | Jonas Greif v Jesse Timmermans | 3-6,1-6 |
| ITF - M15 - Frederiksberg | 2021/08/04 07:50 | Benjamin Hannestad v Gabriel Decamps | 6-4,6-2 |
| ITF - M15 - Frederiksberg | 2021/08/02 12:35 | Gabriel Decamps v Benedikt Emesz | 6-1,6-4 |
| ITF - M15 - Frederiksberg | 2021/08/01 10:00 | Gabriel Decamps v Simon Friis Soendergaard | 6-4,6-2 |
| ITF - M15 - Vejle | 2021/07/28 12:45 | Gabriel Decamps v Mick Veldheer | 3-6,1-6 |
| ITF - M15 - Vejle | 2021/07/26 14:00 | Gabriel Decamps v Benjamin Hannestad | 0-6,7-6,10-6 |
| ITF - M15 - Vejle | 2021/07/25 09:00 | Martins Rocens v Gabriel Decamps | 1-6,2-6 |
| ITF - M25 - Uriage | 2021/07/15 11:00 | Giovanni Mpetshi Perricard v Gabriel Decamps | 6-3,6-3 |
| ITF - M25 - Uriage | 2021/07/14 16:40 | Gabriel Decamps v Alexis Boureau | 6-4,6-1 |