Stadium: Central Round: 54 Ground: Clay
| ITF M15 - Esch/Alzette | 2021/07/18 07:55 | Alexander Kotzen v Victor Ernaelsteen | 6-1,6-4 |
| ITF - M15 - Monastir | 2021/06/27 09:00 | Alexander Kotzen v Noah Lopez | 6-7,6-4,7-10 |
| ITF - M15 - Monastir | 2021/06/21 13:30 | Alexander Kotzen v Kody Pearson | 7-6,1-6,5-10 |
| ITF - M15 - Monastir | 2021/06/21 09:00 | Alexander Kotzen v Geun Jun Kim | 6-0,6-2 |
| ITF - M15 - Monastir | 2021/06/20 10:30 | Alexander Kotzen v Cesar Bourgois | 7-5,6-7,10-4 |
| ITF - M15 - Monastir | 2021/06/17 08:30 | Alexander Kotzen v Luciano Darderi | 3-6,2-6 |
| ITF - M15 - Monastir | 2021/06/16 08:30 | Alexander Kotzen v Keenan Mayo | 6-2,7-5 |
| ITF - M15 - Monastir | 2021/06/14 13:30 | Alexander Kotzen v Carles Hernandez | 7-6,5-7,9-11 |
| ITF M15 - Esch/Alzette | 2021/07/18 08:00 | Tibo Colson v Gianni Ross | 6-4,6-7,10-3 |
| ITF - M15 - Monastir | 2021/04/07 12:30 | Daniele Capecchi v Tibo Colson | 3-6,7-5,6-3 |
| ITF - M15 - Monastir | 2021/04/05 12:30 | Tibo Colson v Maik Steiner | 6-1,6-0 |
| ITF - M15 - Monastir | 2021/04/05 08:00 | Colin Sinclair v Tibo Colson | 2-6,6-4,8-10 |
| ITF - M15 - Monastir | 2021/03/30 08:00 | Giorgio Tabacco v Tibo Colson | 6-2,6-2 |
| ITF - M15 - Monastir | 2021/03/29 09:00 | Youcef Rihane v Tibo Colson | 0-6,2-6 |
| ITF - M15 - Monastir | 2021/03/28 11:30 | Tibo Colson v Mousa Alkotop | 2-6,6-3,10-5 |
| ITF M15 - Sharm El Sheikh | 2021/02/15 07:30 | Tibo Colson v Pawel Juszczak | 2-6,6-7 |