| Challenger Oeiras Qual | 2021/04/04 13:10 | Alexey Vatutin v Ronald Slobodchikov | 6-2,6-3 |
| ITF M15 La Nucia | 2021/03/11 11:40 | Ronald Slobodchikov v Pablo Llamas Ruiz | 2-6,1-6 |
| ITF M15 La Nucia | 2021/03/09 14:30 | Ronald Slobodchikov v Arthur Fils | 6-2,7-5 |
| Challenger Gran Canaria | 2021/02/21 13:15 | Michael Vrbensky v Ronald Slobodchikov | 6-2,6-3 |
| German Premier League | 2020/08/21 06:30 | Mircea-Alexandru Jecan v Ronald Slobodchikov | 7-5,3-6,3-6 |
| German Premier League | 2020/08/20 08:15 | Ronald Slobodchikov v Ergi Kirkin | 7-6,7-5 |
| German Premier League | 2020/08/19 10:40 | Ronald Slobodchikov v Quentin Folliot | 6-4,6-0 |
| German Premier League | 2020/08/18 14:10 | Ronald Slobodchikov v Buvaysar Gadamauri | 6-3,6-3 |