Stadium: Court 5 Round: 62 Ground: Clay
| Challenger Nur-Sultan Qual | 2021/07/18 04:00 | Edan Leshem v Daniil Golubev | 6-0,6-1 |
| ITF M15 Sibenik | 2021/05/16 07:30 | Daniil Golubev v Elgin Khoeblal | 1-6,1-6 |
| ITF M15 St Petersburg | 2021/04/13 13:45 | Daniil Golubev v Savriyan Danilov | 2-6,1-6 |
| ITF M15 St Petersburg | 2021/04/06 14:25 | Daniil Glinka v Daniil Golubev | 6-0,6-0 |
| ITF M25 Biel | 2021/03/29 10:05 | Daniil Golubev v Maximilian Neuchrist | 1-6,0-6 |
| Challenger St. Petersburg Qual | 2021/03/07 11:20 | Daniil Golubev v Aleksandr Nedovyesov | 1-6,0-6 |
| Challenger St. Petersburg | 2021/02/28 12:15 | Ivan Nedelko v Daniil Golubev | 6-0,6-0 |
| ITF M15 St Petersburg | 2021/02/09 12:40 | Evgeny Tyurnev v Daniil Golubev | 6-1,6-1 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Pietro Schiavetti v Hasan Ibrahim | 7-5,3-6,13-11 |
| ITF M25 Telfs | 2021/07/15 12:45 | Hasan Ibrahim v Lukas Palovic | 2-6,2-6 |
| ITF M25 Telfs | 2021/07/13 07:25 | Calin Manda v Hasan Ibrahim | 6-4,6-2 |
| ITF M25 Telfs | 2021/07/12 08:00 | Lawrence Bataljin v Hasan Ibrahim | 6-7,7-6,7-10 |
| ITF M15 Antalya | 2021/06/09 11:40 | Franco Roncadelli v Hasan Ibrahim | 5-7,6-1,6-2 |
| ITF M15 Antalya | 2021/06/08 07:00 | Constant De La Bassetiere v Hasan Ibrahim | 4-6,6-3,9-11 |
| ITF M15 Antalya | 2021/06/07 11:35 | Suleyman Deniz Gursoy v Hasan Ibrahim | 2-6,2-6 |
| ITF M15 Antalya | 2021/05/30 07:30 | Stefan Loncar v Hasan Ibrahim | 6-2,6-2 |