Stadium: Indoor 5 Round: 54 Ground: Clay
| ITF M25 Maribor | 2023/08/28 10:30 | Csongor Hejjas v Mateo Martinovic | 6-3,6-3 |
| ITF M25 Bielsko Biala | 2023/08/14 10:30 | Borys Zgola v Csongor Hejjas | 6-2,6-3 |
| ITF M25 Osijek | 2023/08/06 10:00 | Igor Dudun v Csongor Hejjas | 6-4,6-2 |
| ITF M15 Novi Sad | 2023/07/31 07:00 | Lorenzo Gagliardo v Csongor Hejjas | 6-0,6-2 |
| ITF M25 Brasov | 2023/07/03 06:30 | Stefan A Andreescu v Csongor Hejjas | 6-0,6-3 |
| ITF M25 Brasov | 2023/07/02 06:30 | Csongor Hejjas v Alexandru Luca | 6-3,6-0 |
| ITF M15 Cluj Napoca | 2023/06/19 07:00 | Csongor Hejjas v Neo Niedner | 1-6,3-6 |
| ITF M15 Cluj Napoca | 2023/06/18 06:30 | Dragos N Cazacu v Csongor Hejjas | 4-6,4-6 |
| ITF M25 Maribor | 2023/08/28 08:00 | Tarik Sehovic v Jan Dimitrijevic | 0-6,0-6 |
| ITF M15 Kottingbrunn | 2023/08/13 12:00 | Jan Dimitrijevic v Kyle Overmyer | 3-6,3-6 |
| ITF M15 Celje | 2023/06/28 16:50 | Jan Dimitrijevic v Bor Artnak | 1-6,1-6 |
| ITF M15 Store | 2023/06/21 17:15 | Zak Talic v Jan Dimitrijevic | 6-1,6-1 |
| ITF M15 Litija | 2023/06/12 11:00 | Jan Dimitrijevic v Matteo Fondriest | 2-6,1-6 |
| ITF M15 Krsko | 2023/05/17 08:00 | Dominik Kellovsky v Jan Dimitrijevic | 6-3,6-2 |
| ITF M15 Krsko | 2023/05/15 10:00 | Jan Dimitrijevic v Shunsuke Wakita | 4-6,6-4,10-4 |
| ITF M15 Osijek | 2023/04/30 09:30 | Daniele Minighini v Jan Dimitrijevic | 6-4,6-3 |