Stadium: Court 1 Round: 26 Ground: Clay
| ITF - M15 Brcko | 2021/05/18 14:40 | Dubrivnyy, Artem v Heger, Tim | 6-3,6-1 |
| ITF - M15 Prijedor | 2021/05/11 11:55 | Gergely Madarasz v Dubrivnyy, Artem | 7-6,7-6 |
| ITF M15 St Petersburg | 2021/04/09 08:00 | Cozbinov, Alexander v Dubrivnyy, Artem | 6-4,6-7,6-3 |
| ITF M15 St Petersburg | 2021/04/08 07:00 | Ratniuk, Maxim v Dubrivnyy, Artem | 2-6,1-6 |
| ITF M15 St Petersburg | 2021/04/06 07:00 | Jakub Paul v Dubrivnyy, Artem | 5-7,1-6 |
| Challenger St. Petersburg | 2021/03/06 09:00 | Altug Celikbilek v Dubrivnyy, Artem | 5-7,6-2,6-3 |
| Challenger St. Petersburg | 2021/03/05 08:00 | Dubrivnyy, Artem v Andrey Kuznetsov | 6-3,6-7,6-3 |
| Challenger St. Petersburg | 2021/03/03 12:15 | Viktor Durasovic v Dubrivnyy, Artem | 5-7,6-3,3-6 |
| ITF - M15 Brcko | 2021/05/18 14:00 | Domagoj Biljesko v Maikel De Boes | 6-3,7-5 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/20 08:00 | Domagoj Biljesko v Christian Sigsgaard | 6-1,6-7,4-10 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/19 09:15 | Domagoj Biljesko v Luka Mikrut | 6-4,7-5 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/18 10:00 | Domagoj Biljesko v Samosi, Peter | 6-2,6-2 |
| ITF - M15 Opatija | 2021/03/23 09:00 | Spec, Matic v Domagoj Biljesko | 7-5,6-2 |
| ITF - M15 Opatija | 2021/03/22 11:45 | Tadija Radovanovic v Domagoj Biljesko | 6-7,1-6 |
| ITF - M15 Rovinj | 2021/03/15 08:30 | Domagoj Biljesko v Cornea, Vlad Victor | 3-6,7-5,5-10 |
| ITF - M15 Porec | 2021/03/08 14:00 | de Maio, Mauro v Domagoj Biljesko | 6-3,7-6 |