Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Zagreb MD | 2021/05/12 08:00 | Walkow/Zielinski v Golubev/Tiurnev | 6-0,6-2 |
| ITF M15 St Petersburg MD | 2021/04/15 13:00 | Golubev/Tiurnev v Pecak/Satral | 4-6,1-6 |
| ITF M15 St Petersburg MD | 2021/04/08 12:40 | Pogosian/Sheyngezikht v Golubev/Tiurnev | 6-1,7-6 |
| ITF M25 Biel MD | 2021/03/30 15:15 | Riedi/Stricker v Golubev/Tiurnev | 6-4,6-2 |
| Challenger Lugano MD | 2021/03/23 17:15 | Golubev/Tiurnev v Raja/Weissborn | 4-6,6-3,7-10 |
| Challenger St. Petersburg MD | 2021/03/10 14:30 | Golubev/Tiurnev v De Jong/Verbeek | 4-6,6-7 |
| Challenger St. Petersburg MD | 2021/03/03 13:45 | Golubev/Tiurnev v Hassan/Vatutin | 6-7,3-6 |
| ITF M15 St Petersburg MD | 2021/02/11 13:55 | Sorrentino/Spec v Golubev/Tiurnev | 1-6,6-4,10-3 |
| ITF M15 Bad Waltersdorf MD | 2021/08/26 12:00 | Peck/Vanshelboim v Miceli/Rottoli | 7-5,6-3 |
| ITF M15 Bad Waltersdorf MD | 2021/08/24 15:50 | Miceli/Rottoli v Carou/Tenti | 4-6,6-3,11-9 |