Stadium: Court 1 Round: 62 Ground: Clay
| ITF M15 Pazardzhik | 2023/05/15 07:00 | David Simeonov v Martin Mazev | 6-3,7-5 |
| ITF M15 Antalya Qual | 2023/01/15 06:30 | David Simeonov v Vicente O Moratalla | 1-6,1-6 |
| ITF M15 Antalya | 2023/01/09 08:30 | Alessio Vasquez Gehrke v David Simeonov | 6-0,6-3 |
| ITF M15 Antalya | 2023/01/08 07:00 | David Simeonov v Ilgiz Kamchibekov | 6-4,6-2 |
| ITF M15 Sozopol | 2022/10/09 11:30 | Pavel Shumeiko v David Simeonov | 6-4,1-6,10-8 |
| ITF M15 Sozopol | 2022/10/02 07:30 | David Simeonov v Pavel Shumeiko | 3-6,1-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/10 12:50 | Ioannis Xilas v Pietro Marino | 7-6,4-6,1-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/09 07:00 | Lorenzo Lorusso v Ioannis Xilas | 4-6,1-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/08 09:30 | Giuseppe Corsaro v Ioannis Xilas | 5-7,0-6 |
| ITF M25 Nottingham | 2023/05/01 10:35 | Ioannis Xilas v Ali Habib | 7-5,4-6,8-10 |
| ITF M25 Nottingham Qual | 2023/04/30 09:00 | Christian Sigsgaard v Ioannis Xilas | 6-7,2-6 |
| ITF M25 Nottingham Qual | 2023/04/24 10:30 | Ioannis Xilas v Alexis Canter | 6-2,1-6,6-10 |
| ITF M25 Nottingham | 2023/04/17 09:25 | Fabio Nestola v Ioannis Xilas | 6-4,1-6,10-8 |
| ITF M25 Nottingham | 2023/04/16 08:55 | Drew Van Orderlain v Ioannis Xilas | 3-6,3-6 |