| UTR Pro Tennis Series Barcelona | 2021/08/03 10:00 | Alvaro Bueno Gil v Olexiy Kolisnyk | 1-6,6-3,6-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/02 07:00 | Alberto C Sanchez v Alvaro Bueno Gil | 6-1,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 08:00 | Marcelo Zormann v Alvaro Bueno Gil | 6-3,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 08:00 | Constant De La Bassetiere v Alvaro Bueno Gil | 6-4,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 08:00 | Mario Mansilla Diez v Alvaro Bueno Gil | 6-2,4-6,5-3 |
| UTR Pro Tennis Series Barcelona | 2021/06/20 07:00 | Ervin H Eminefendic v Alvaro Bueno Gil | 3-6,5-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/04 07:00 | Jay Friend v Marat Deviatiarov | 7-5,4-6,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/03 08:30 | Federico Zeballos v Marat Deviatiarov | 7-6,6-4 |
| ITF M15 Novomoskovsk | 2021/06/03 16:55 | Aliaksandr Liaonenka v Marat Deviatiarov | 1-6,4-6 |
| ITF M15 Novomoskovsk | 2021/05/26 08:20 | Oleksandr Ovcharenko v Marat Deviatiarov | 7-6,6-4 |
| ITF M15 Tbilisi | 2021/05/18 07:00 | Marat Deviatiarov v Marek Gengel | 1-6,4-6 |
| ITF M15 Jerusalem | 2021/05/13 07:00 | Justin Roberts v Marat Deviatiarov | 6-1,6-2 |
| ITF M15 Jerusalem | 2021/05/12 07:00 | Alec Beckley v Marat Deviatiarov | 1-6,6-7 |
| ITF M15 Ramat Hasharon | 2021/05/07 07:00 | Marat Deviatiarov v Felix Corwin | 5-7,4-6 |