Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Esch/Alzette | 2021/07/21 13:00 | Raphael Collignon v Tommaso Compagnucci | 1-6,4-6 |
| ITF M15 Esch/Alzette | 2021/07/20 10:55 | Julien De Cuyper v Tommaso Compagnucci | 2-6,1-6 |
| ITF M15 Esch/Alzette | 2021/07/19 11:00 | Tommaso Compagnucci v Julien De Cuyper | 6-1,6-1 |
| ITF M15 Esch/Alzette | 2021/07/18 12:35 | Pontico, Hugo v Tommaso Compagnucci | 6-1,2-6,6-10 |
| ITF M15 Sofia | 2021/07/05 07:00 | Frinzi, Mattia v Tommaso Compagnucci | 6-7,7-5,11-9 |
| ITF M15 Sofia | 2021/07/04 06:30 | Ilya Snitari v Tommaso Compagnucci | 6-7,6-2,7-10 |
| ITF M25 Meerbusch | 2021/04/11 14:00 | Tommaso Compagnucci v Niels Visker | 3-6,1-6 |
| ITF - M15 Rovinj | 2021/03/14 08:30 | Milan Welte v Tommaso Compagnucci | 6-3,6-1 |
| ITF M15 Esch/Alzette | 2021/07/21 10:55 | Kotzen, Alexander v Louis Wessels | 2-6,6-3,6-4 |
| ITF M15 Esch/Alzette | 2021/07/20 11:00 | Dhoe, Benjamin v Kotzen, Alexander | 3-6,4-6 |
| ITF M15 Esch/Alzette | 2021/07/19 09:00 | Kotzen, Alexander v Tibo Colson | 4-6,6-1,10-7 |
| ITF M15 Esch/Alzette | 2021/07/18 07:55 | Kotzen, Alexander v Ernaelsteen, Victor | 6-1,6-4 |
| ITF - M15 Monastir | 2021/06/27 09:00 | Kotzen, Alexander v Noah Lopez | 6-7,6-4,7-10 |
| ITF - M15 Monastir | 2021/06/21 13:30 | Kotzen, Alexander v Kody Pearson | 7-6,1-6,5-10 |
| ITF - M15 Monastir | 2021/06/21 09:00 | Kotzen, Alexander v Kim, Geun Jun | 6-0,6-2 |
| ITF - M15 Monastir | 2021/06/20 10:30 | Kotzen, Alexander v Cesar Bourgois | 7-5,6-7,10-4 |