| ITF Israel F4 | 04/25 09:25 | 25 | Deviatiarov, Marat v Zonder, Ido | 6-0,6-0 | |
| Egypt F14, Singles Qualifying | 04/21 08:00 | 28 | [352] Bega, Alessandro v Deviatiarov, Marat [444] | 3-6,6-4,6-3 | |
| Egypt F14, Singles Qualifying | 04/20 08:00 | 27 | Petr Michnev v Deviatiarov, Marat | 4-6,4-6 | |
| Egypt F14, Singles Qualifying | 04/19 08:00 | 26 | Boris Fassbender v Deviatiarov, Marat | 4-6,3-6 | |
| Egypt F14, Singles Qualifying | 04/17 08:00 | 25 | Khotkov, Oleg v Deviatiarov, Marat | 6-7,1-6 | |
| ITF Egypt F13 | 04/12 09:35 | 26 | [478] Petr Michnev v Deviatiarov, Marat [450] | 7-6,6-7,6-4 | |
| ITF Egypt F13 | 04/11 10:30 | 25 | Jack Draper v Deviatiarov, Marat | Retired | |
| Egypt F12, Singles Qualifying | 04/03 08:00 | 25 | Finn Bass v Deviatiarov, Marat | 6-2,7-5 | |
| ITF Israel F2 | 03/15 09:35 | 26 | Patael, Ben v Deviatiarov, Marat | 7-6,6-2 | |
| ITF Israel F2 | 03/14 09:30 | 25 | Deviatiarov, Marat v Westerhof, Boy | 6-4,6-1 | |
| ITF Israel F1 | 03/07 08:00 | 26 | Musialek, Alexis v Deviatiarov, Marat | 6-2,6-2 | |
| ITF Israel F1 | 03/06 08:00 | 25 | Marcora, Roberto v Deviatiarov, Marat | Retired | |
| Turkey F8, Singles Qualifying | 02/27 08:00 | 25 | Deviatiarov, Marat v Varillas, Juan Pablo | 6-2,3-6,4-6 | |
| ITF Turkey F7 | 02/22 12:00 | 26 | Altug Celikbilek v Deviatiarov, Marat | 6-4,6-1 | |
| ITF Turkey F7 | 02/20 11:30 | 25 | Statzberger, Thomas v Deviatiarov, Marat | 4-6,6-4,3-6 | |
| ITF Turkey F7 | 02/19 07:00 | 62 | Deviatiarov, Marat v Davydov, Ivan | 7-5,6-2 | |
| ITF Turkey F7 | 02/18 09:00 | 62 | Deviatiarov, Marat v Georgii Kravchenko | 6-1,6-0 | |
| ITF Turkey F7 | 02/17 10:30 | 62 | Deviatiarov, Marat v Soyler, Osmancan | 6-0,6-2 | |
| Turkey F6, Singles Qualifying | 02/14 11:00 | 25 | Deviatiarov, Marat v Reuter, Yannik | 3-6,5-7 | |
| ITF Estonia F4 | 11/08 11:10 | 26 | [481] Tyurnev, Evgeny v Deviatiarov, Marat [347] | 6-3,7-6 | |
| ITF Estonia F4 | 11/07 09:00 | 25 | Niklas-Salminen, Patrick v Deviatiarov, Marat | 6-7,6-1,3-6 | |
| ITF Estonia F3 | 10/31 11:45 | 25 | Alexander Vasilenko v Deviatiarov, Marat | 6-2,6-3 | |
| ITF Estonia F2 | 10/25 14:25 | 26 | Deviatiarov, Marat v Kenneth Raisma | 6-4,2-6,6-7 | |
| ITF Estonia F2 | 10/24 08:50 | 25 | Deviatiarov, Marat v Daniil Glinka | 3-6,6-3,6-2 | |
| ITF Belarus F2 | 08/18 08:00 | 28 | [333] Deviatiarov, Marat v Zhyrmont, Dzmitry [319] | Retired | |
| ITF Belarus F2 | 08/17 09:10 | 27 | [333] Deviatiarov, Marat v Manafov, Vladyslav [392] | 6-4,5-7,7-5 | |
| ITF Belarus F2 | 08/16 07:00 | 26 | Marek Gengel v Deviatiarov, Marat | 2-6,6-2,3-6 | |
| ITF Belarus F2 | 08/14 11:00 | 25 | Deviatiarov, Marat v Zgombic, Fran Zvonimir | 5-7,7-6,6-3 | |
| ITF Belarus F1 | 08/09 07:00 | 26 | Deviatiarov, Marat v Mitjana, Leny | 6-7,6-3,2-6 | |
| ITF Belarus F1 | 08/08 08:35 | 25 | [370] Deviatiarov, Marat v Tsivadze, George [476] | 6-4,6-2 |