Stadion: Court 6 Round: 25 Ground: Carpet indoor
| Tschechien - Extraliga | 2023/12/14 11:00 | Dominik Kellovsky v Vit Kalina | 6-3,6-2 |
| ITF - M15 - Monastir | 2023/12/06 08:00 | Vit Kalina v Jakub Paul | 6-7,1-6 |
| ITF - M15 - Limassol | 2023/11/29 12:35 | Petros Chrysochos v Vit Kalina | 6-3,6-2 |
| ITF - M15 - Monastir | 2023/11/02 10:10 | Elliot Benchetrit v Vit Kalina | 6-1,6-4 |
| ITF - M15 - Monastir | 2023/11/01 11:40 | Jean-Christian Morandais v Vit Kalina | 6-4,2-6,4-6 |
| ITF - M15 - Monastir | 2023/10/24 10:00 | Andrea Bacaloni v Vit Kalina | 6-3,7-6 |
| ITF - M15 - Monastir | 2023/10/04 14:55 | Vit Kalina v Kai Wehnelt | 1-6,4-6 |
| ITF - M15 - Monastir | 2023/10/02 12:30 | Daniel Salazar v Vit Kalina | 7-6,4-6,8-10 |
| ITF - M15 - Cadolzburg | 2024/01/14 09:00 | Jannik Opitz v Lukas Janousek | 6-2,7-5 |
| ITF - M25 - Sarreguemines | 2023/10/26 08:00 | Jannik Opitz v Khumoyun Sultanov | 5-7,2-6 |
| ITF - M25 - Sarreguemines | 2023/10/25 08:00 | Nikolay Vylegzhanin v Jannik Opitz | 6-7,6-4,2-6 |
| ITF - M25 - Sarreguemines | 2023/10/23 12:05 | Jannik Opitz v Yanis Ghazouani Durand | 7-6,6-3 |
| ITF - M15 - Villers Les Nancy | 2023/10/18 10:45 | Alexis Gautier v Jannik Opitz | 1-6,6-3,6-2 |
| ITF - M15 - Trier | 2023/08/24 10:55 | Stepan Baum v Jannik Opitz | 6-2,6-2 |
| ITF - M15 - Trier | 2023/08/23 11:00 | David Eichenseher v Jannik Opitz | 6-4,6-7,4-6 |
| ITF - M25 - Wetzlar | 2023/08/03 08:00 | Niklas Schell v Jannik Opitz | 6-4,6-4 |