Round: 26 Ground: Clay
| ITF M15 Antalya | 2024/03/21 07:00 | Zielinski, Marcel v Ioan Alexandru Chirita | 6-7,1-6 |
| ITF M15 Antalya | 2024/03/13 07:00 | Zielinski, Marcel v Garcia Mestre, Jordi | 4-6,1-6 |
| ITF M25 Hammamet | 2024/02/14 13:30 | Bagnolini, Daniel v Zielinski, Marcel | 6-4,6-3 |
| ITF M25 Hammamet | 2024/02/06 13:50 | 구티에레즈, 오스칼 조세 v Zielinski, Marcel | 6-3,6-0 |
| ITF M15 Antalya | 2023/12/20 07:00 | Zielinski, Marcel v Milos Mikovic | 3-6,7-5,3-6 |
| ITF M15 Antalya | 2023/12/13 09:10 | 보이신, 에밀리엔 v Zielinski, Marcel | 6-1,6-2 |
| ITF M15 Monastir | 2023/11/23 13:30 | Zielinski, Marcel v Vandermeersch, Cyril | 3-6,2-6 |
| ITF M15 Monastir | 2023/11/21 08:00 | Zielinski, Marcel v Jakub Filip | 7-5,6-2 |
| ITF M15 Antalya | 2024/03/22 10:05 | Justin Engel v Joel Schwaerzler | 1-6,0-6 |
| ITF M15 Antalya | 2024/03/21 10:20 | Ioan Alexandru Chirita v Justin Engel | 6-7,2-6 |
| ITF M15 Antalya | 2024/03/20 11:45 | 마르티네즈, 로우로이 v Justin Engel | 7-6,2-6,2-6 |
| ITF M15 Oberhaching | 2024/02/13 11:50 | Justin Engel v Tom Gentzsch | 1-6,2-6 |
| ITF M15 Antalya | 2023/12/07 06:30 | Justin Engel v 티우르네브, 에브게니 | 4-6,3-6 |
| ITF M15 Antalya | 2023/12/05 09:05 | 알카야, 멜트 v Justin Engel | 5-7,6-3,7-10 |
| ITF M15 Antalya | 2023/12/04 13:00 | Gabriel Schenekenberg v Justin Engel | 5-7,4-6 |
| ITF M15 Antalya | 2023/12/03 07:00 | Dmitrii Vasilev v Justin Engel | 1-6,5-7 |