Stadium: Court 4 Round: 44 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/08/28 12:00 | Lorenzo Vatteroni v Ioannis Kountourakis | 6-0,3-6,9-11 |
| ITF M15 Pirot | 2023/09/03 10:00 | Mal Agushi v Ioannis Kountourakis | 5-7,3-6 |
| ITF M15 Kursumlijska Banja | 2023/08/31 11:20 | Ioannis Kountourakis v Dusan Obradovic | 4-6,6-7 |
| ITF M15 Kursumlijska Banja | 2023/08/30 13:45 | Nikola Djosic v Ioannis Kountourakis | 4-6,7-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/08/29 09:45 | Ioannis Kountourakis v Maxim Krapivin | 6-2,6-4 |
| ITF M15 Kursumlijska Banja | 2023/08/28 12:00 | Lorenzo Vatteroni v Ioannis Kountourakis | 6-0,3-6,9-11 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Ioannis Kountourakis v Stepan Mruzek | 3-6,5-7 |
| ITF M15 Sofia | 2023/07/03 09:30 | Ioannis Kountourakis v Adam Heinonen | 6-7,5-7 |
| ITF M15 Sofia | 2023/07/02 11:00 | Ioannis Kountourakis v Daniele Minighini | 6-3,6-3 |
| ITF M15 Kursumlijska Banja | 2023/08/28 12:00 | Lorenzo Vatteroni v Ioannis Kountourakis | 6-0,3-6,9-11 |
| ITF M15 Kursumlijska Banja | 2023/08/27 09:30 | Lorenzo Vatteroni v Bogdan Seleznev | 6-2,6-1 |
| ITF M15 Caslano | 2023/08/24 13:55 | Lorenzo Vatteroni v Luca Giacomini | 1-6,0-6 |
| ITF M15 Caslano | 2023/08/23 09:50 | Louroi Martinez v Lorenzo Vatteroni | 4-6,6-7 |
| ITF M15 Caslano | 2023/08/21 16:10 | Lorenzo Vatteroni v Alberto Morolli | 7-6,6-3 |
| ITF M15 Caslano | 2023/08/20 14:50 | Lorenzo Vatteroni v Thomas Mathys | 6-0,6-1 |
| ITF M15 Targu Jiu | 2023/08/14 07:00 | Vlad Cristian Breazu v Lorenzo Vatteroni | 6-2,6-2 |
| ITF M15 Targu Jiu | 2023/08/13 06:30 | Andrea Licitra v Lorenzo Vatteroni | 1-6,5-7 |