Estadio: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Ueberlingen | 2023/08/17 10:50 | Lasse Poertner v Illya Beloborodko | 6-4,3-6,6-3 |
| ITF M15 Sharm El Sheikh | 2024/02/25 11:30 | Illya Beloborodko v Joe Tyler | 6-7,6-4,5-10 |
| ITF M15 Sharm El Sheikh | 2024/02/22 11:00 | Illya Beloborodko v Kristjan Tamm | 6-3,4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2024/02/20 09:50 | Alessandro Coccioli v Illya Beloborodko | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2024/02/19 08:00 | Lorenzo Lorusso v Illya Beloborodko | 6-7,2-6 |
| ITF M15 Sharm El Sheikh | 2024/02/18 09:00 | Gagan Rakesh Vimal v Illya Beloborodko | 1-6,1-6 |
| UTR Pro - Atenas | 2023/12/17 06:00 | Christos Antonopoulos v Illya Beloborodko | 0-4 |
| UTR Pro - Atenas | 2023/12/15 07:30 | Ioannis Kountourakis v Illya Beloborodko | 6-2,6-3 |
| UTR Pro - Atenas | 2023/12/14 10:08 | David Schwarc v Illya Beloborodko | 2-6,1-6 |
| ITF M15 Oberhaching | 2024/02/15 12:05 | Lasse Poertner v Tom Gentzsch | 6-7,4-6 |
| ITF M15 Oberhaching | 2024/02/13 10:00 | Alen Mujakic v Lasse Poertner | 4-6,1-6 |
| ITF M25 Nussloch | 2024/01/23 18:00 | Vincent Marysko v Lasse Poertner | 6-3,6-4 |
| ITF M15 Cadolzburg | 2024/01/16 11:40 | Lasse Poertner v Stepan Baum | 6-3,4-6,1-6 |
| ITF M15 Doha | 2023/10/09 18:00 | Lasse Poertner v Koray Kirci | 6-3,4-6,2-6 |
| ITF M15 Ueberlingen | 2023/08/18 10:00 | Lasse Poertner v Jakob Schnaitter | 2-6,4-6 |
| ITF M15 Ueberlingen | 2023/08/17 10:50 | Lasse Poertner v Illya Beloborodko | 6-4,3-6,6-3 |
| ITF M15 Frankfurt Am Main | 2023/08/08 09:00 | Lasse Poertner v Florian Broska | 5-7,1-6 |