Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Prijedor | 2021/05/09 12:30 | Matic Spec v Luka Miklavcic | 3-6,6-3,8-10 |
| ITF M15 St Petersburg | 2021/04/17 09:45 | Matic Spec v Yanki Erel | 6-7,2-6 |
| ITF M15 St Petersburg | 2021/04/16 07:55 | Matic Spec v Alexey Zakharov | 6-2,6-4 |
| ITF M15 St Petersburg | 2021/04/15 07:00 | Jakub Paul v Matic Spec | 6-7,6-4,3-6 |
| ITF M15 St Petersburg | 2021/04/14 09:15 | Matic Spec v Alafia Ayeni | 6-3,6-4 |
| ITF M15 St Petersburg | 2021/04/12 10:15 | Matic Spec v Daniel Ibragimov | 6-1,6-1 |
| ITF M15 St Petersburg Qual | 2021/04/11 07:00 | Matic Spec v Maksim Starostin | 6-3,6-2 |
| ITF M15 St Petersburg | 2021/04/08 09:00 | Matic Spec v Aristarkh Safonov | 3-6,5-7 |
| ITF M15 Doboj | 2021/07/11 11:00 | Daniil Savelev v Danijal Muminovic | 1-6,6-7 |
| ITF M15 Antalya | 2021/06/27 06:30 | Daniil Savelev v Bora Sengul | 3-6,1-6 |
| ITF M15 Antalya | 2021/06/21 09:10 | Daniil Savelev v Daniel Antonio Nunez | 2-6,3-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Daniil Savelev v Vladimir Cherkovets | 6-0,6-3 |
| ITF M15 Antalya | 2021/06/06 07:30 | Kaya Arinc v Daniil Savelev | 3-6,6-0,10-6 |
| ITF M15 Antalya | 2021/05/31 09:30 | Daniil Savelev v Pietro Pampanin | 5-7,2-6 |
| ITF M15 Antalya | 2021/05/30 07:30 | Paulo Knippling v Daniil Savelev | 3-6,1-6 |
| ITF M15 Antalya | 2021/05/23 07:30 | Daniil Savelev v Umut Akkoyun | 3-6,2-6 |