Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/02/22 13:00 | Kotzen, Alexander v Martinez, Mirko | 6-3,6-4 |
| ITF - M15 Monastir | 2021/02/22 09:00 | Kotzen, Alexander v Tobias Franco | 6-0,6-3 |
| ITF - M15 Monastir | 2021/02/21 13:00 | Maiga, Riccardo v Kotzen, Alexander | 7-5,4-6,4-10 |
| ITF - M15 Monastir | 2021/02/17 08:00 | Oliver Crawford v Kotzen, Alexander | 2-6,6-1,6-3 |
| ITF - M15 Monastir | 2021/02/15 12:30 | Giacalone, Omar v Kotzen, Alexander | 6-3,4-6,7-10 |
| ITF - M15 Monastir | 2021/02/11 09:35 | Kotzen, Alexander v Petit, Gabriel | 6-2,4-6,6-7 |
| ITF - M15 Monastir | 2021/02/10 13:15 | Kotzen, Alexander v Aziz Ouakaa | 6-1,6-3 |
| ITF - M15 Monastir | 2021/02/08 09:00 | Kenneth Raisma v Kotzen, Alexander | 2-6,7-5,8-10 |
| ITF M15 St Petersburg | 2021/02/10 10:10 | Cozbinov, Alexander v Daniel Michalski | 3-6,6-1,6-1 |
| ITF M15 St Petersburg | 2021/02/03 10:00 | Daniel Michalski v Alibek Kachmazov | 2-6,5-7 |
| ITF M15 Cairo | 2020/11/28 08:00 | Zekic, Miljan v Daniel Michalski | 4-6,6-1,6-2 |
| ITF M15 Cairo | 2020/11/27 08:00 | Patino, Luis v Daniel Michalski | 3-6,4-6 |
| ITF M15 Cairo | 2020/11/26 10:55 | Dzhavakian, Yurii v Daniel Michalski | 1-6,4-6 |
| ITF M15 Cairo | 2020/11/25 13:20 | Senthilkumar, Muthu Aadhitiya v Daniel Michalski | 2-6,2-6 |
| ITF - M15 Monastir | 2020/10/18 08:30 | Grigelis, Laurynas v Daniel Michalski | 5-7,7-5,7-6 |
| ITF - M15 Monastir | 2020/10/17 08:30 | Cuevas, Martin v Daniel Michalski | 6-2,5-7,4-6 |