Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/03/24 10:05 | Alexander Donski v Buvaysar Gadamauri | 6-7,5-7 |
| ITF M15 Monastir | 2021/03/18 11:30 | Alexander Donski v Christian Langmo | 2-6,4-6 |
| ITF M15 Monastir | 2021/03/17 10:10 | Mohamed Aziz Dougaz v Alexander Donski | 5-7,3-6 |
| ITF M15 Antalya | 2021/02/23 06:30 | Alexander Donski v Deney Wassermann | 7-6,4-6,6-10 |
| ITF M15 Antalya | 2021/02/21 07:00 | Alexander Donski v Togan Makzume | 6-1,6-4 |
| ITF M15 Antalya | 2021/02/14 06:00 | Alexander Donski v Oleksandr Ovcharenko | 6-4,2-6,2-10 |
| ITF M15 Antalya | 2021/01/31 09:20 | Alexander Donski v Raul Brancaccio | 4-6,3-6 |
| ITF M15 Antalya | 2021/01/30 08:55 | Danylo Veremeychuk v Alexander Donski | 4-6,3-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 15:10 | Kaichi Uchida v Kristjan Tamm | 3-6,6-1,6-0 |
| ITF M25 Faro | 2021/02/28 15:00 | Kristjan Tamm v Rayane Oumaouche | 4-6,7-5,1-10 |
| ITF M25 Vale Do Lobo | 2021/02/24 15:15 | Kristjan Tamm v Gastao Elias | 4-6,4-6 |
| ITF M15 Monastir | 2020/12/13 08:30 | Kristjan Tamm v Artem Dubrivnyy | 4-6,6-3,6-3 |
| ITF M15 Monastir | 2020/12/12 09:30 | Kristjan Tamm v Matias Franco Descotte | 7-6,6-2 |
| ITF M15 Monastir | 2020/12/11 08:00 | Daniele Capecchi v Kristjan Tamm | 1-6,6-2,4-6 |
| ITF M15 Monastir | 2020/12/10 08:00 | Luca Giacomini v Kristjan Tamm | 7-6,4-6,2-6 |
| ITF M15 Monastir | 2020/12/08 08:00 | Kristjan Tamm v Mats Rosenkranz | 6-4,6-4 |