Stadium: MTA 11 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/11/14 06:30 | Maik Steiner v Maslov, Maksim | 7-5,6-3 |
| ITF M25 Nur-Sultan | 2021/10/26 06:25 | Ivan Denisov v Maslov, Maksim | 6-2,6-0 |
| ITF M25 Nur-Sultan | 2021/10/25 07:55 | Maslov, Maksim v Chernomaz, Alexander | 6-2,6-2 |
| ITF M25 Nur-Sultan | 2021/10/18 06:00 | Ibragimov, Daniel v Maslov, Maksim | 6-3,6-2 |
| ITF M25 Nur-Sultan | 2021/07/05 06:00 | Islam Orynbasar v Maslov, Maksim | 6-4,6-3 |
| ITF - M15 Shymkent | 2021/05/31 07:20 | Alexandr Binda v Maslov, Maksim | 6-0,6-3 |
| ITF - M15 Shymkent | 2021/05/24 08:20 | Maslov, Maksim v Saba Purtseladze | 3-6,0-6 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/17 04:55 | Ivan Liutarevich v Maslov, Maksim | 6-2,6-3 |