Stadium: Court 4 Round: 44 Ground: Hardcourt indoor
| ITF M25 Esch/Alzette | 2023/07/09 09:25 | Can Ayral v Ruben Hartig | 5-7,3-6 |
| ITF M25 Marburg | 2023/07/04 09:25 | Philipp Pavlenko v Ruben Hartig | 6-4,3-6,10-3 |
| ITF M25 Marburg | 2023/07/03 08:00 | Ruben Hartig v Heger, Tim | 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 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/18 12:00 | von Der Schulenburg, Jeffrey 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 Tehran | 2023/06/11 05:30 | Victor Bini v Borys Zgola | 3-6,0-6 |
| ITF M15 Tehran | 2023/06/08 09:00 | Alexander Chepik v Victor Bini | 6-4,3-6,6-1 |
| ITF M15 Tehran | 2023/06/07 13:20 | Victor Bini v Gokberk Saritas | 3-6,6-4,7-5 |
| ITF M15 Tehran | 2023/06/06 09:00 | Victor Bini v Moein Moazam | 6-2,6-0 |
| ITF M15 Tehran | 2023/06/05 07:30 | Berk Ilkel v Victor Bini | 1-6,3-6 |
| ITF M15 Tehran | 2023/06/04 06:30 | Victor Bini v Amirarsalan Ghomi | 6-1,6-2 |
| ITF M15 Mogi das Cruzes | 2023/04/24 16:00 | Gabriel Schenekenberg v Victor Bini | 6-4,6-4 |
| ITF - M15 Monastir | 2022/06/26 09:00 | Stefano Reitano v Victor Bini | 6-4,6-1 |