| Název | OSE - Vladimir Grachev Memorial 2021 |
| Datum | 17. 4. 2021 |
| Země |  Rusko |
| Adresa | Kursk, Russia |
| Pořadatel | All-Russian Organization for the Development of Mixed Martial Arts |
| Název | OSE - Vladimir Grachev Memorial 2021 |
| Datum | 17. 4. 2021 |
| Země | Rusko |
| Adresa | Kursk, Russia |
| Pořadatel | All-Russian Organization for the Development of Mixed Martial Arts |