Stadium: Court 5 Round: 44 Ground: Clay
| UTR Pro Tennis Series Bucharest | 2021/06/04 08:30 | Vlad Andrei Dumitru v Facundo Juarez | 2-6,6-7 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 09:00 | Juan Pablo Paz v Vlad Andrei Dumitru | 6-2,5-1 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 16:00 | Yanais Laurent v Vlad Andrei Dumitru | 6-3,6-7,6-0 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 11:30 | Anatoliy Petrenko v Vlad Andrei Dumitru | 5-7,2-6 |
| ITF M15 Bucharest | 2021/05/25 07:00 | Valentin Royer v Vlad Andrei Dumitru | 6-0,6-2 |
| ITF M15 Bucharest | 2021/05/24 08:00 | Vlad Andrei Dumitru v Adrian Bodmer | 6-2,6-7,10-4 |
| ITF M15 Bucharest | 2021/05/23 07:00 | Vlad Cristian Breazu v Vlad Andrei Dumitru | 3-6,1-6 |
| Challenger Sibiu | 2020/09/19 09:55 | Benjamin Lock v Vlad Andrei Dumitru | 6-3,6-0 |
| ITF M25 Belgrade | 2021/06/29 08:40 | Leonid Sheyngezikht v Dusan Milanovic | 6-3,4-6,10-12 |
| ITF M25 Belgrade | 2021/06/28 10:00 | Leonid Sheyngezikht v Giovanni Oradini | 3-6,6-3,10-5 |
| ITF M25 Belgrade | 2021/06/27 09:00 | Aleksa Daskalovic v Leonid Sheyngezikht | 4-6,2-6 |
| ITF M15 Skopje | 2021/06/08 07:30 | Petr Michnev v Leonid Sheyngezikht | 6-2,2-6,10-6 |
| ITF M15 Skopje | 2021/06/07 08:30 | Leonid Sheyngezikht v Ondrej Horak | 6-0,7-5 |
| ITF M15 Skopje | 2021/06/06 07:30 | Paul Valsecchi v Leonid Sheyngezikht | 6-7,4-6 |
| ITF M15 Skopje | 2021/05/30 07:00 | Louis Allen v Leonid Sheyngezikht | 6-4,7-5 |
| ITF M15 St Petersburg Qual | 2021/04/11 11:00 | Leonid Sheyngezikht v Alexander Zgirovsky | 6-4,4-6,4-10 |