| UTR Pro Tennis Series Athens | 2022/08/03 05:00 | Janos Fekete v Christos Keisidis | 6-3,2-6,7-5 |
| UTR Pro Tennis Series Zadar | 2021/09/28 12:30 | Janos Fekete v Christos Keisidis | 6-4,5-3 |
| 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 Thessaloniki | 2023/04/26 09:43 | Ivan Kremenchutskyi v Christos Keisidis | 2-6,7-6,7-6 |
| UTR Pro Thessaloniki | 2023/04/25 06:30 | Vasile Antonescu v Christos Keisidis | 6-4,6-3 |
| UTR Pro Beograd | 2023/04/22 07:30 | Christos Keisidis v Matija Samardzic | 3-6,0-5 |
| UTR Pro London | 2023/05/21 08:00 | Janos Fekete v Adam Jones | 5-7,3-6 |
| UTR Pro London | 2023/05/20 10:33 | Marcus Walters v Janos Fekete | 3-6,1-6 |
| UTR Pro London | 2023/05/19 07:00 | Janos Fekete v Anthony Weingarten | 2-6,6-3,6-4 |
| UTR Pro London | 2023/05/18 07:00 | Janos Fekete v Luka Petrovic | 1-6,6-4,6-7 |
| UTR Pro London | 2023/05/17 08:30 | Ed Pudney v Janos Fekete | 2-6,7-5,6-1 |
| UTR Pro London | 2023/05/16 08:30 | Yujiro Onuma v Janos Fekete | 3-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/04/24 12:40 | Matvey Minin v Janos Fekete | 6-4,7-6 |
| ITF M15 Kursumlijska Banja | 2023/04/23 13:00 | Geni Inoue v Janos Fekete | 2-6,6-2,9-11 |