stadio: Court 1 Round: 26 Ground: Hardcourt indoor
| ITF M15 Norman | 2023/10/25 21:05 | Justin Schlageter v Fons Van Sambeek | 7-6,4-6,7-5 |
| ITF M15 Ueberlingen | 2023/08/15 15:25 | David Fix v Justin Schlageter | 7-5,6-3 |
| ITF M15 Norman | 2022/10/26 17:00 | Justin Schlageter v Tyler Zink | 7-6,3-6,4-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/07 12:55 | Justin Schlageter v Lasse Muscheites | 4-6,5-7 |
| ITF Germania F14 | 2018/10/03 14:20 | Justin Schlageter v Christian Seraphim | 1-6,6-7 |
| Challenger Pullach - Qual. | 2018/08/04 13:10 | Justin Schlageter v Fabrizio Ornago | 4-6,6-7 |
| ITF Croazia F2 | 2018/03/10 09:00 | Karlo Kajin v Justin Schlageter | 3-6,6-2,6-4 |
| ITF Germania F14 | 2017/10/11 13:10 | Justin Schlageter v Marc-Andrea Huesler | 1-6,1-6 |
| ITF M15 Norman | 2023/10/25 18:05 | Lucas Renard v Duarte Vale | 1-6,5-7 |
| Challenger Lisbona | 2023/10/01 12:25 | Duarte Vale v Henrique Rocha | 3-6,2-6 |
| Challenger Braga | 2023/09/24 09:00 | Duarte Vale v Nikolas Sanchez Izquierdo | 3-6,2-6 |
| ITF M25 Setubal | 2023/09/19 15:15 | Duarte Vale v Francisco Rocha | 3-6,4-6 |
| ITF M25 Sintra | 2023/09/15 09:00 | Sebastian Fanselow v Duarte Vale | 6-4,6-1 |
| ITF M25 Sintra | 2023/09/14 09:00 | Duarte Vale v Kalin Ivanovski | 7-6,6-4 |
| ITF M25 Sintra | 2023/09/13 09:00 | Trey Hilderbrand v Duarte Vale | 4-6,3-6 |
| ITF M25 Sintra | 2023/09/08 09:30 | Sebastian Fanselow v Duarte Vale | 6-4,6-1 |