Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 St Petersburg | 2021/02/03 08:35 | Alexander Vasilenko v Ratniuk, Maxim | 6-1,6-4 |
| ITF M15 St Petersburg | 2021/02/01 08:50 | Ratniuk, Maxim v Spec, Matic | 0-6,1-6 |
| ITF M15 St Petersburg | 2021/01/31 10:55 | Ratniuk, Maxim v Prudnikau, Aliaksandr | 6-4,7-6 |
| ITF M15 Kazan | 2020/03/12 08:10 | Marat Sharipov v Ratniuk, Maxim | 6-1,7-6 |
| ITF M15 Kazan | 2020/03/10 12:45 | Sergei Pogosian v Ratniuk, Maxim | 4-6,1-6 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/20 06:50 | Ratniuk, Maxim v Yuta Shimizu | 3-6,5-7 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/19 05:00 | Aliaksandr Liaonenka v Ratniuk, Maxim | 4-6,6-3,4-6 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/12 07:40 | Kravchuk, Konstantin v Ratniuk, Maxim | 6-4,6-4 |
| ITF M15 St Petersburg | 2021/01/31 07:00 | Andrea Guerrieri v Ovcharov, Alexander | 6-2,6-1 |
| ITF M15 Kazan | 2020/03/09 08:55 | Ovcharov, Alexander v Igor Trunov | 1-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/16 11:00 | Terczynski, Mateusz v Ovcharov, Alexander | 6-2,3-6,10-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/11 09:10 | Ovcharov, Alexander v Arvid Nordquist | 0-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/10 10:00 | Trocker, Moritz v Ovcharov, Alexander | 3-6,6-2,6-10 |
| ITF - M15 Sharm El Sheikh | 2020/02/09 12:00 | Ovcharov, Alexander v Mzai, Ismael Changawa Ruwa | 6-1,6-2 |
| ITF M15 Kazan | 2020/01/20 07:00 | Ovcharov, Alexander v Osminkin, Vladimir | 6-2,3-6,8-10 |
| ITF - M15 Antalya | 2019/11/11 10:30 | Ovcharov, Alexander v Alexis Boureau | 3-6,3-6 |