Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| ITF M15 Kamen | 2024/06/27 08:30 | Lasse Poertner v Liam Gavrielides | 6-4,1-6,6-7 |
| ITF M15 Trnava | 2024/09/24 11:00 | Yanis Ghazouani Durand v Lasse Poertner | 6-3,2-6,6-3 |
| ITF M15 Haren | 2024/09/05 13:00 | Lasse Poertner v Sidane Pontjodikromo | 3-6,0-6 |
| ITF M15 Haren | 2024/09/05 08:15 | Lasse Poertner v Noah Thurner | 2-6,6-1,6-3 |
| ITF M25 Wetzlar | 2024/07/30 13:45 | Lasse Poertner v Maxime Chazal | 3-6,2-6 |
| ITF M15 Metzingen | 2024/07/23 14:00 | Lasse Poertner v David Fix | 6-7,4-6 |
| ITF M15 Uslar | 2024/07/17 15:30 | Lasse Poertner v Elmar Ejupovic | 4-6,6-4,1-6 |
| ITF M25 Kassel | 2024/07/10 10:00 | Raphael Collignon v Lasse Poertner | 6-2,6-1 |
| Challenger Karlsruhe | 2024/06/30 09:00 | Edas Butvilas v Lasse Poertner | 7-6,6-1 |
| ITF M15 Trier | 2024/08/22 10:25 | Noel Larwig v Liam Gavrielides | 2-6,0-6 |
| ITF M15 Trier | 2024/08/20 12:45 | Tom Sickenberger v Liam Gavrielides | 3-6,1-6 |
| ITF M15 Uberlingen | 2024/08/17 10:55 | Liam Gavrielides v Kai Wehnelt | 4-6,6-7 |
| ITF M15 Uberlingen | 2024/08/16 15:30 | Justin Engel v Liam Gavrielides | 1-6,2-6 |
| ITF M15 Uberlingen | 2024/08/15 12:00 | David Fix v Liam Gavrielides | 5-7,1-6 |
| ITF M15 Uberlingen | 2024/08/14 12:05 | Jannik Maute v Liam Gavrielides | 3-6,4-6 |
| Challenger Bonn | 2024/08/05 09:00 | Martin Klizan v Liam Gavrielides | 3-6,6-3,6-4 |
| Challenger Bonn | 2024/08/04 09:00 | Liam Gavrielides v Mikalai Haliak | 6-1,6-2 |