| ITF Spain F2 | 2018/01/20 13:30 | Egor Matvievici v Nikita Tatyanin | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/13 12:00 | Nikita Tatyanin v Anthony Genov | 5-7,1-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/12 07:30 | Nikita Tatyanin v Teodor Giusca | 2-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/11 09:00 | Nikita Tatyanin v Luciano Doria | 4-6,3-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/10 07:30 | Nikita Tatyanin v Benjamin Niv | 6-1,6-2 |
| 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 |
| UTR Pro Tennis Series Barcelona | 2022/07/13 08:30 | Egor Matvievici v Kuzey Cekirge | 0-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/12 11:35 | Egor Matvievici v Pol Del Castillo | 2-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/10 12:58 | Egor Matvievici v Aleksandr Kalinin | 6-1,6-2 |
| UTR Pro Tennis Series Barcelona | 2022/07/10 10:59 | Alvaro Bueno Gil v Egor Matvievici | 6-2,6-0 |
| ITF M15 Skopje | 2022/06/12 08:00 | Tom Evans v Egor Matvievici | 6-3,6-4 |
| UTR Pro Tennis Series Zadar | 2022/06/04 15:27 | Grgo Dujmovic v Egor Matvievici | 4-6,7-5,7-6 |
| UTR Pro Tennis Series Zadar | 2022/06/03 07:30 | Christos Keisidis v Egor Matvievici | 6-1,7-6 |
| UTR Pro Tennis Series Zadar | 2022/06/02 06:00 | Robert Rumler v Egor Matvievici | 6-3,7-5 |