Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Poznań | 2021/08/22 08:00 | Martyn Pawelski v Sergo Sikharulidze | 7-5,6-4 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Sergo Sikharulidze v Daniel De Jonge | 3-6,2-6 |
| ITF M15 Kairo | 2021/07/18 13:00 | Sergo Sikharulidze v Egill Sigurdsson | 4-6,6-3,8-10 |
| ITF M15 Antalya | 2021/06/27 06:30 | Cheng-Yu Yu v Sergo Sikharulidze | 3-6,7-5,14-12 |
| ITF M15 Antalya | 2021/06/21 08:25 | Sergo Sikharulidze v Vladislav Melnic | 7-6,4-6,2-10 |
| ITF M15 Antalya | 2021/06/20 07:00 | Sergo Sikharulidze v Andrej Krajcik | 4-6,6-3,10-6 |
| ITF M15 Antalya | 2021/06/13 07:30 | Marsel Ilhan v Sergo Sikharulidze | 6-1,6-4 |
| ITF M15 Antalya | 2021/06/06 07:30 | Sergo Sikharulidze v Fausto Tabacco | 1-6,1-6 |
| ITF M15 Pescara | 2021/08/15 11:15 | Maxence Broville v Richard Biagiotti | 6-1,7-6 |
| ITF M15 Vejle | 2021/07/25 09:00 | Oscar Moraing v Richard Biagiotti | 6-3,6-2 |