| UTR Pro - Zadar | 2023/10/18 10:34 | Tim Heger v Hugo Coquelin | 6-4,5-7,4-6 |
| UTR Pro - Zadar | 2023/10/17 06:00 | Tim Heger v Josh Roe Flannelly | 6-0,5-4 |
| UTR Pro - Zadar | 2023/10/16 10:04 | Duje Kekez v Tim Heger | 6-4,6-3 |
| ITF - M25 Santa Margherita | 2023/10/01 09:30 | Vitali Shvets v Tim Heger | 6-1,7-6 |
| ITF - M25 Santa Margherita | 2023/09/24 08:00 | Davide Galoppini v Tim Heger | 6-1,6-3 |
| ITF - M25 Santa Margherita | 2023/09/18 08:30 | Dax Donders v Tim Heger | 6-1,6-1 |
| ITF - M25 Santa Margherita | 2023/09/17 08:30 | Vitali Shvets v Tim Heger | 1-6,2-6 |
| ITF - M25 Maribor | 2023/09/07 08:00 | Tim Heger v Mathys Erhard | 3-6,4-6 |
| UTR Pro - Zadar | 2023/10/19 06:00 | Josh Roe Flannelly v Christos Keisidis | 0-6,0-2 |
| UTR Pro - Zadar | 2023/10/17 07:30 | Duje Kekez v Christos Keisidis | 6-3,6-3 |
| UTR Pro - Zadar | 2023/10/16 10:15 | Christos Keisidis v Hugo Coquelin | 6-4,6-2 |
| UTR Pro - Belgrad | 2023/10/14 07:30 | Karlo Kajin v Christos Keisidis | 4-6,6-3,5-1 |
| UTR Pro - Belgrad | 2023/10/12 06:00 | Christos Keisidis v Niksa Arsic | 6-2,6-2 |
| UTR Pro - Belgrad | 2023/10/11 07:30 | Stefan Popovic v Christos Keisidis | 6-3,6-2 |
| UTR Pro - Belgrad | 2023/10/10 12:40 | Tadija Radovanovic v Christos Keisidis | 4-6,3-6 |
| UTR Pro - Belgrad | 2023/10/08 09:00 | Christos Keisidis v Domagoj Biljesko | 4-6,0-6 |