Ground: Carpet indoor
| UTR Pro Olomouc | 2023/07/05 08:05 | Christos Keisidis v Oleg Prihodko | 2-6,1-6 |
| UTR Pro Olomouc | 2023/07/04 06:00 | Christos Keisidis v Artem Podorozhnyi | 4-6,6-3,2-6 |
| UTR Pro Olomouc | 2023/07/03 11:30 | Christos Keisidis v Janos Fekete | 7-6,3-6,1-6 |
| ITF M25 Skopje | 2023/06/06 07:30 | Tymur Bieldiugin v Christos Keisidis | 7-6,2-6,10-8 |
| ITF M25 Skopje | 2023/06/05 07:55 | Erik Vladimirov v Christos Keisidis | 4-6,3-6 |
| ITF M25 Skopje | 2023/06/04 07:00 | Alexandar Balj v Christos Keisidis | 4-6,2-6 |
| UTR Pro Thessaloniki | 2023/04/28 05:00 | Christos Keisidis v Andreas Loizas | 2-5 |
| UTR Pro Thessaloniki | 2023/04/27 05:00 | Christos Keisidis v Samuel Kyjaci | 3-6,2-6 |
| UTR Pro Olomouc | 2023/07/05 06:00 | Janos Fekete v Petr Iamachkine | 5-7,6-4,6-1 |
| UTR Pro Olomouc | 2023/07/03 10:45 | Artem Podorozhnyi v Petr Iamachkine | 2-6,2-6 |
| UTR Pro Copenhagen | 2023/06/03 07:30 | Petr Iamachkine v Marshall Tutu | 6-2,6-3 |
| UTR Pro Copenhagen | 2023/06/02 06:00 | Petr Iamachkine v Adamantios Stavrakas | 7-6,5-7,6-1 |
| UTR Pro Copenhagen | 2023/06/01 07:30 | Hans Albert Schubert v Petr Iamachkine | 4-6,6-3,4-6 |
| UTR Pro Copenhagen | 2023/05/31 09:00 | Julian Cundom v Petr Iamachkine | 2-6,3-6 |
| UTR Pro Copenhagen | 2023/05/29 07:30 | Christian Sigsgaard v Petr Iamachkine | 6-4,6-3 |
| UTR Pro Copenhagen | 2023/05/28 09:00 | Petr Iamachkine v Olle S Lidholt | 6-1,7-5 |