Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Shymkent | 2021/04/15 06:15 | Antonio Campo v Sanjar Fayziev | 6-4,6-1 |
| ITF - M15 Shymkent | 2021/04/14 12:45 | Jack Gibbens v Sanjar Fayziev | 2-6,1-6 |
| ITF - M15 Antalya | 2021/04/08 06:55 | Matteo Gigante v Sanjar Fayziev | 7-5,6-2 |
| ITF - M15 Antalya | 2021/04/07 08:15 | Osmancan Soyler v Sanjar Fayziev | 2-6,5-7 |
| ITF - M15 Antalya | 2021/04/04 07:20 | Seong Chan Hong v Sanjar Fayziev | 6-1,6-3 |
| ITF - M15 Antalya | 2021/04/03 07:25 | Pol Martin Tiffon v Sanjar Fayziev | 3-6,4-6 |
| ITF - M15 Antalya | 2021/04/02 09:30 | Sanjar Fayziev v Matteo Gigante | 6-2,6-2 |
| ITF - M15 Antalya | 2021/04/01 07:45 | Sanjar Fayziev v Marsel Ilhan | 6-3,5-7,6-4 |
| ITF - M15 Tbilisi | 2021/05/17 06:00 | Piotr Grynkowski v Christian Sigsgaard | 3-6,3-6 |
| ITF - M15 Tbilisi | 2021/05/17 05:30 | Charles Minc v Christian Sigsgaard | 4-6,3-6 |
| ITF - M15 Sibenik | 2021/04/22 08:00 | Christian Sigsgaard v David Pichler | 2-6,5-7 |
| ITF - M15 Sibenik | 2021/04/21 10:30 | Ugo Blanchet v Christian Sigsgaard | 2-6,0-6 |
| ITF - M15 Sibenik | 2021/04/20 08:00 | Domagoj Biljesko v Christian Sigsgaard | 6-1,6-7,4-10 |
| ITF - M15 Sibenik | 2021/04/19 08:00 | Christian Sigsgaard v Neil Oberleitner | 7-6,6-4 |
| ITF - M15 Sibenik | 2021/04/18 08:00 | Aleksandar Tomas v Christian Sigsgaard | 2-6,7-6,2-10 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 14:30 | Ivan Mikhaylyuk v Christian Sigsgaard | 4-6,6-4,10-2 |