Stadium: S & S Court Round: 54 Ground: Clay
| ITF M25 Marburg | 2023/07/03 08:00 | Philipp Pavlenko v Lennart Melzer | 6-3,6-1 |
| ITF M25 Risskov/Aarhus | 2023/06/15 08:30 | Philipp Pavlenko v Guy Den Ouden | 2-6,1-6 |
| ITF M25 Risskov/Aarhus | 2023/06/14 10:30 | Philipp Pavlenko v Andrea Fiorentini | 7-6,6-4 |
| ITF M25 Risskov/Aarhus | 2023/06/12 09:40 | Philipp Pavlenko v Andrea Fiorentini | 7-6,6-7,7-10 |
| ITF M25 Risskov/Aarhus | 2023/06/11 12:00 | Philipp Pavlenko v Tanguy Genier | 6-4,6-1 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 09:00 | Patrik Rikl v Philipp Pavlenko | 6-3,7-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 08:00 | Philipp Pavlenko v Ondrej Hujo | 6-2,6-2 |
| ITF M25 Prague | 2023/05/14 07:30 | Philipp Pavlenko v Dylan Dietrich | 1-6,1-6 |
| ITF M25 Marburg | 2023/07/03 08:00 | Ruben Hartig v Tim Heger | 7-5,1-6,10-8 |
| ITF M15 Kamen | 2023/06/28 14:55 | Ruben Hartig v Mats Rosenkranz | 6-7,2-6 |
| ITF M15 Kamen | 2023/06/26 14:00 | Ruben Hartig v Lukas Janousek | 6-4,6-1 |
| ITF M15 Kamen | 2023/06/26 10:00 | Jack Karlsson Winstrand v Ruben Hartig | 0-6,1-6 |
| ITF M15 Saarlouis | 2023/06/18 12:00 | Jeffrey Von Der Schulenburg v Ruben Hartig | 6-1,6-0 |
| ITF M25 Risskov/Aarhus | 2023/06/11 13:25 | Ruben Hartig v Gianluca Cadenasso | 4-6,2-6 |
| ITF M15 Constanta | 2023/05/29 11:00 | Nicolas Bruna v Ruben Hartig | 7-5,7-6 |
| ITF M15 Constanta | 2023/05/28 14:00 | Alexandru Luca v Ruben Hartig | 4-6,3-6 |