Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2020/11/04 12:35 | Deviatiarov, Marat v David Poljak | 5-7,7-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2020/11/03 08:00 | Deviatiarov, Marat v Issei Okamura | 6-0,6-1 |
| ITF - M15 Sharm El Sheikh | 2020/11/02 08:00 | Deviatiarov, Marat v Ayap, Sagadat | 6-3,6-0 |
| ITF M15 Novomoskovsk | 2020/09/03 07:00 | Oleksii Krutykh v Deviatiarov, Marat | 3-6,6-3,7-6 |
| ITF M15 Novomoskovsk | 2020/09/02 08:40 | Deviatiarov, Marat v Maulenov, Timur | 7-6,7-6 |
| UTF Invitational | 2020/06/12 13:30 | Nikita Mashtakov v Deviatiarov, Marat | 2-6,6-3,7-6 |
| UTF Invitational | 2020/06/11 11:30 | Deviatiarov, Marat v Shumeiko, Pavel | 6-1,6-1 |
| UTF Invitational | 2020/06/10 07:00 | Manafov, Vladyslav v Deviatiarov, Marat | 6-1,7-5 |
| ITF - M15 Sharm El Sheikh | 2020/11/08 08:00 | Galik, Matej v Connor, Preston | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2020/11/02 10:30 | Galik, Matej v Petr Michnev | 0-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2020/11/01 07:00 | Galik, Matej v Abou Taleb, Belal | 6-1,6-1 |
| Slovakian International | 2020/07/24 11:30 | Galik, Matej v Martin, Andrej | 1-6,6-4,4-6 |
| Slovakian International | 2020/07/23 14:10 | Galik, Matej v Samuel Puskar | 6-3,6-1 |
| Slovakian International | 2020/07/09 12:00 | Lukas Klein v Galik, Matej | 6-3,6-2 |
| Slovakian International | 2020/06/17 13:45 | Alex Molcan v Galik, Matej | 6-2,6-3 |