Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Kamen | 2023/06/28 10:25 | Niklas Schell v Robin Sanz | 6-4,6-7,6-3 |
| ITF M15 Duffel | 2023/06/14 09:50 | Ryan Nijboer v Niklas Schell | 6-7,6-2,6-4 |
| ITF M25 Kursumlijska Banja | 2023/06/07 18:00 | Lautaro Midon v Niklas Schell | 6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2023/06/01 08:55 | Martyn Pawelski v Niklas Schell | 6-3,6-3 |
| ITF M15 Kursumlijska Banja | 2023/05/31 07:00 | Niklas Schell v Johan A Rodriguez Rodriguez | 6-7,6-2,6-3 |
| ITF M15 Alaminos-Larnaca | 2023/05/12 08:00 | Sebastian Gima v Niklas Schell | 4-6,6-3,6-1 |
| ITF M15 Alaminos-Larnaca | 2023/05/11 08:00 | Niklas Schell v Vlad Andrei Dancu | 7-5,3-6,7-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/10 09:45 | Aaron Cohen v Niklas Schell | 6-1,3-6,2-6 |
| ITF M15 Belgrade | 2023/06/27 11:15 | Andrey Chepelev v Petr Nesterov | 6-2,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/25 08:30 | Andrey Chepelev v Leonardo Aboian | 1-6,6-4,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/24 12:30 | Andrey Chepelev v Federico Agustin Gomez | 3-6,7-6,7-5 |
| ITF M15 Kursumlijska Banja | 2023/06/23 11:15 | Andrey Chepelev v Luka Pavlovic | 4-6,7-5,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/22 10:05 | Andrey Chepelev v Milan Drinic | 6-3,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/21 07:00 | Andrey Chepelev v Tyler Zink | 6-4,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/17 19:00 | Andrey Chepelev v Felix Gill | 6-7,3-6 |
| ITF M15 Kursumlijska Banja | 2023/06/17 14:00 | Andrey Chepelev v Tyler Zink | 6-3,6-3 |