Stadion: Center Court Round: 26 Ground: Clay
| ITF - M15 - Sofia | 2023/07/05 08:00 | Florent Bax v Marvin Moeller | 4-6,2-6 |
| ITF - M15 - Cluj Napoca | 2023/06/23 10:00 | Chris Rodesch v Marvin Moeller | 4-6,6-1,6-4 |
| ITF - M15 - Cluj Napoca | 2023/06/22 08:40 | Marvin Moeller v Vlad Andrei Dancu | 6-1,6-1 |
| ITF - M15 - Cluj Napoca | 2023/06/21 07:00 | Marvin Moeller v Giovanni Calvano | 6-4,6-2 |
| ITF - M15 - Sarajevo | 2023/06/08 08:10 | Luka Mikrut v Marvin Moeller | 6-3,2-6,6-2 |
| ITF - M15 - Sarajevo | 2023/06/07 09:05 | Marvin Moeller v Mohamed Safwat | 7-6,6-1 |
| Challenger - Troisdorf | 2023/05/29 08:30 | Terence Atmane v Marvin Moeller | 6-0,6-3 |
| Challenger - Troisdorf | 2023/05/28 08:30 | Marvin Moeller v Vladyslav Orlov | 6-1,6-3 |
| ITF - M15 - Sofia | 2023/07/03 14:30 | Sergis Kyratzis v Alessandro Ingarao | 3-6,0-6 |
| ITF - M15 - Sofia | 2023/07/03 09:30 | Sergis Kyratzis v Simeon Latinchev | 6-2,6-4 |
| ITF - M15 - Alaminos-Larnaca | 2023/05/12 08:00 | Sergis Kyratzis v Sebastian Prechtel | 4-6,2-6 |
| ITF - M15 - Alaminos-Larnaca | 2023/05/11 08:00 | Sergis Kyratzis v Liam Gavrielides | 3-6,6-3,6-4 |
| ITF - M15 - Alaminos-Larnaca | 2023/05/10 07:00 | Marco Miceli v Sergis Kyratzis | 4-6,7-6,4-6 |
| ITF - M15 - Alaminos-Larnaca | 2023/05/09 07:00 | Valerio Perruzza v Sergis Kyratzis | 6-2,5-7,7-10 |
| ITF - M15 - Alaminos-Larnaca | 2023/05/08 07:00 | Sergis Kyratzis v Geni Inoue | 3-6,7-5,10-6 |
| ITF - M15 - Alaminos-Larnaca | 2023/05/07 06:00 | Andrei Cuceu v Sergis Kyratzis | 6-7,4-6 |