Stadium: Teremeer Sport and Tennis Resort Round: 25 Ground: Clay
| ITF M15 Meerbusch | 2024/04/23 09:00 | Julius Seifert v Ruben Hartig | 6-4,6-3 |
| ITF M15 Meerbusch | 2024/04/22 15:45 | Daniel Leong Prickett v Ruben Hartig | 1-6,6-4,9-11 |
| ITF M25 Hammamet | 2024/04/15 08:30 | Ruben Hartig v Jeffrey Hsu | 0-6,6-7 |
| ITF M15 Rovinj | 2024/03/11 08:30 | Ruben Hartig v Lorenzo Vatteroni | 1-6,0-6 |
| ITF M15 Porec | 2024/03/03 10:00 | Stepan Baum v Ruben Hartig | 6-1,1-6,12-10 |
| ITF M25 Hammamet | 2024/02/12 08:30 | Daniel Bagnolini v Ruben Hartig | 6-3,6-0 |
| ITF M15 Antalya | 2023/12/17 07:00 | Hien Q H Pham v Ruben Hartig | 6-4,7-6 |
| ITF M15 Antalya | 2023/12/10 07:00 | Pablo Roche Alcaya v Ruben Hartig | 7-6,6-3 |
| ITF M15 Antalya | 2024/04/07 07:30 | Liam Gavrielides v Evgeny Tyurnev | 0-6,6-2,0-6 |
| ITF M15 Antalya | 2024/04/06 07:30 | Liam Gavrielides v Giuseppe La Vela | 6-4,6-3 |
| ITF M15 Antalya | 2024/04/05 09:20 | Liam Gavrielides v Niels Visker | 4-6,6-4,6-0 |
| ITF M15 Antalya | 2024/04/04 07:00 | Denis Klok v Liam Gavrielides | 2-6,6-3,0-6 |
| ITF M15 Antalya | 2024/04/02 12:30 | Gokberk Saritas v Liam Gavrielides | 6-7,3-6 |
| ITF M15 Antalya | 2024/03/27 07:00 | Atakan Karahan v Liam Gavrielides | 2-6,7-6,6-0 |
| ITF M15 Antalya | 2024/03/20 08:55 | Filip Cristian Jianu v Liam Gavrielides | 6-4,6-4 |
| Challenger Hamburg | 2024/03/10 18:25 | Liam Gavrielides v Yusuke Takahashi | 6-3,2-6,0-6 |