Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Heraklion | 2023/11/24 08:00 | Ioannis Xilas v Neil Oberleitner | 7-6,6-4 |
| ITF M15 - Heraklion | 2023/11/25 08:00 | Ioannis Xilas v Alastair Gray | 5-7,0-6 |
| ITF M15 - Heraklion | 2023/11/24 12:45 | Benjamin Pietri v Ioannis Xilas | 4-6,1-6 |
| ITF M15 - Heraklion | 2023/11/24 08:00 | Ioannis Xilas v Neil Oberleitner | 7-6,6-4 |
| ITF M15 - Heraklion | 2023/11/22 10:45 | Ioannis Xilas v Nikolay Nedelchev | 6-2,6-1 |
| UTR Pro - Sofia | 2023/09/09 06:30 | Ioannis Xilas v Janos Fekete | 0-1 |
| UTR Pro - Sofia | 2023/09/08 06:30 | Ioannis Xilas v Hernando J E Isnardi | 2-6,2-6 |
| UTR Pro - Sofia | 2023/09/07 08:00 | Ioannis Xilas v Aniss Rafiq | 6-4,6-2 |
| UTR Pro - Sofia | 2023/09/06 07:17 | George Lazarov v Ioannis Xilas | 4-6,4-6 |
| ITF M15 - Heraklion | 2023/11/24 08:00 | Ioannis Xilas v Neil Oberleitner | 7-6,6-4 |
| ITF M15 - Heraklion | 2023/11/21 07:00 | Graham Maassen v Neil Oberleitner | 2-6,2-6 |
| ITF M15 - Heraklion | 2023/11/16 11:05 | Neil Oberleitner v Sean Hodkin | 1-6,4-6 |
| ITF M15 - Heraklion | 2023/11/14 08:30 | Neil Oberleitner v Petros Chrysochos | 6-2,6-4 |
| ITF M25 - Trnava | 2023/11/07 15:30 | Neil Oberleitner v Leo Borg | 4-6,4-6 |
| Challenger - Ismaning | 2023/10/30 10:00 | Joao Sousa v Neil Oberleitner | 7-6,6-3 |
| Challenger - Ismaning | 2023/10/29 09:30 | Neil Oberleitner v Leo Borg | 6-1,6-4 |
| ITF M25 - Edgbaston | 2023/10/17 08:55 | Connor Thomson v Neil Oberleitner | 6-3,7-6 |