Stadium: Court 15 Round: 25 Ground: Hardcourt indoor
| Challenger Banja Luka | 2021/09/05 10:50 | Vasil Kirkov v Mircea-Alexandru Jecan | 4-6,4-6 |
| ITF M15 Ulcinj | 2021/09/02 10:10 | Ignacio Carou v Vasil Kirkov | 3-6,6-1,6-4 |
| ITF M15 Ulcinj | 2021/08/31 10:20 | Luca Teboul v Vasil Kirkov | 1-6,1-6 |
| ITF M15 Bratislava | 2021/08/28 08:55 | Mate Valkusz v Vasil Kirkov | 7-5,6-4 |
| ITF M15 Bratislava | 2021/08/27 08:00 | Vasil Kirkov v Biagio Gramaticopolo | 7-5,6-1 |
| ITF M15 Bratislava | 2021/08/26 07:55 | Vasil Kirkov v Simon Freund | 6-0,6-1 |
| ITF M15 Bratislava | 2021/08/24 10:00 | Vasil Kirkov v Diego F Flores | 6-3,6-3 |
| ITF M15 Bratislava | 2021/08/20 08:00 | Vasil Kirkov v Fabian Marozsan | 6-4,1-6,4-6 |
| ITF M25 Fayetteville | 2020/11/02 19:00 | Melvin Manuel v Reese Stalder | 1-6,1-6 |
| ITF M25 Plaisir | 2019/09/17 11:30 | Melvin Manuel v Gijs Brouwer | 2-6,2-6 |
| ITF France F18 | 2018/09/16 08:00 | Luka Pavlovic v Melvin Manuel | 6-1,6-3 |
| ITF France F18 | 2018/09/15 10:35 | Javier A V. Meza v Melvin Manuel | 0-6,1-6 |