Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ATP Shanghai | 2023/10/02 07:15 | Aleksandar Kovacevic v Alexey Zakharov | 6-7,7-5,7-6 |
| ATP Chengdu | 2023/09/19 03:00 | Alexey Zakharov v Alibek Kachmazov | 6-7,7-6,3-6 |
| Challenger Guangzhou | 2023/09/11 06:45 | Alexey Zakharov v Aoran Wang | 3-6,3-6 |
| Challenger Guangzhou | 2023/09/10 09:30 | Akira Santillan v Alexey Zakharov | 6-3,3-6,2-6 |
| Challenger Shanghai | 2023/09/04 09:30 | Alexey Zakharov v Yan Bai | 3-6,3-6 |
| Challenger Shanghai | 2023/09/04 04:25 | Arthur Weber v Alexey Zakharov | 4-6,6-7 |
| ATP Winston-Salem | 2023/08/19 15:00 | Mitchell Krueger v Alexey Zakharov | 6-4,6-2 |
| Challenger Nur-Sultan | 2021/07/20 06:05 | Alexey Zakharov v Malek Jaziri | 0-6,2-6 |
| ITF M15 Doha | 2023/10/07 13:00 | Marat Sharipov v Christian Sigsgaard | 6-3,6-4 |
| ITF M15 Doha | 2023/10/06 13:00 | Christian Sigsgaard v Bogdan Bobrov | 6-3,7-5 |
| ITF M15 Doha | 2023/10/05 12:30 | Koray Kirci v Christian Sigsgaard | 6-7,1-6 |
| ITF M15 Doha | 2023/10/04 13:25 | Christian Sigsgaard v Issa Shanan Al Harrasi | 6-0,6-1 |
| ITF M25 Falun | 2023/09/26 12:00 | Giles Hussey v Christian Sigsgaard | 4-6,6-2,7-5 |
| ITF M15 Eindhoven | 2023/08/02 14:00 | Christian Sigsgaard v Tom Gentzsch | 6-2,4-6,3-6 |
| ITF M15 Eindhoven | 2023/08/01 10:25 | Pepijn Bastiaansen v Christian Sigsgaard | 2-6,3-6 |
| ITF M15 Vejle | 2023/07/29 09:25 | Christian Sigsgaard v Elmer Moller | 2-6,3-6 |