| ITF Spain F2 | 2018/01/20 13:30 | Egor Matvievici v Nikita Tatyanin | 2-6,2-6 |
| ITF M25 Denia | 2019/07/22 08:30 | Imanol L Morillo v Nikita Tatyanin | 6-3,6-1 |
| ITF M25 Gandia | 2019/07/16 09:05 | Alex M Pujolras v Nikita Tatyanin | 6-0,6-2 |
| ITF M25 Gandia | 2019/07/15 08:15 | Pietro Martinetti v Nikita Tatyanin | 4-6,2-6 |
| ITF M15 Tabarka | 2019/05/14 08:00 | Nikita Tatyanin v Mauro De Maio | 0-6,1-6 |
| ITF Tunisia F45 | 2018/12/16 10:00 | Raffaele Giuliano v Nikita Tatyanin | 6-3,6-1 |
| ITF Tunisia F44 | 2018/12/09 09:00 | Adrian Andrzejczuk v Nikita Tatyanin | 6-1,6-1 |
| ITF Spain F29 | 2018/09/25 13:15 | Raul Brancaccio v Nikita Tatyanin | 6-2,6-4 |
| ITF Spain F29 | 2018/09/24 08:30 | Quim Sorni Chavarria v Nikita Tatyanin | 2-6,6-2,4-6 |
| UTR Pro Tennis Series Zadar | 2021/11/21 12:00 | Egor Matvievici v Alexander Lazov | 5-4 |
| UTR Pro Tennis Series Zadar | 2021/11/20 14:46 | Olexiy Kolisnyk v Egor Matvievici | 6-3,4-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 13:30 | Eduard Shcherbyna v Egor Matvievici | 1-6,4-6 |
| UTR Pro Tennis Series Zadar | 2021/11/18 15:00 | Myroslav Bondar v Egor Matvievici | 6-4,4-6,2-5 |
| UTR Pro Tennis Series Zadar | 2021/11/16 09:00 | Drazen Petrovic v Egor Matvievici | 6-0,7-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 12:00 | Alexander Chepik v Egor Matvievici | 6-4,4-6,6-2 |
| ITF M15 Antalya | 2021/06/21 11:25 | Vladimir Korolev v Egor Matvievici | 6-4,6-2 |
| ITF M15 Antalya | 2021/06/20 07:00 | Guga Tavadze v Egor Matvievici | 1-6,1-6 |