| UTR Pro Tennis Series - Zadar | 2021/09/29 08:00 | Duje Kekez v Christos Keisidis | 6-2,2-6,5-6 |
| UTR Pro - Zadar | 2023/10/16 10:04 | Duje Kekez v Tim Heger | 6-4,6-3 |
| ITF - Osijek M25 | 2023/08/09 12:55 | Sebastian Sorger v Duje Kekez | 0-6,6-4,6-2 |
| ITF - Novi Sad M15 | 2023/08/04 08:00 | Dusan Obradovic v Duje Kekez | 6-2,6-3 |
| ITF - Novi Sad M15 | 2023/08/03 11:45 | Duje Kekez v Nicolas Bruna | 6-4,7-5 |
| ITF - Novi Sad M15 | 2023/08/02 09:25 | Duje Kekez v Thiago Cigarran | 6-4,6-4 |
| ITF - Novi Sad M15 | 2023/07/27 08:00 | Mili Poljicak v Duje Kekez | 4-6,6-1,6-4 |
| ITF - Novi Sad M15 | 2023/07/26 11:50 | Duje Kekez v Erik Arutiunian | 7-6,6-4 |
| ITF - Store M15 | 2023/06/21 08:15 | Duje Kekez v Pietro Pampanin | 3-6,2-6 |
| UTR Pro - Zadar | 2023/10/16 10:15 | Christos Keisidis v Hugo Coquelin | 6-4,6-2 |
| UTR Pro - Beograd | 2023/10/14 07:30 | Karlo Kajin v Christos Keisidis | 4-6,6-3,5-1 |
| UTR Pro - Beograd | 2023/10/12 06:00 | Christos Keisidis v Niksa Arsic | 6-2,6-2 |
| UTR Pro - Beograd | 2023/10/11 07:30 | Stefan Popovic v Christos Keisidis | 6-3,6-2 |
| UTR Pro - Beograd | 2023/10/10 12:40 | Tadija Radovanovic v Christos Keisidis | 4-6,3-6 |
| UTR Pro - Beograd | 2023/10/08 09:00 | Christos Keisidis v Domagoj Biljesko | 4-6,0-6 |
| UTR Pro - Beograd | 2023/10/04 08:44 | Christos Keisidis v Ilya Snitari | 2-6,0-6 |
| UTR Pro - Beograd | 2023/10/03 07:30 | Christos Keisidis v Drazen Petrovic | 2-6,5-7 |