Estadio: Court 21 Round: 62 Ground: Clay
| ITF M15 Buschhausen | 2023/09/12 10:00 | Justin Engel v John Sperle | 6-2,6-3 |
| ITF 15 Antalya | 2024/03/21 08:45 | Filip Cristian Jianu v John Sperle | 6-3,7-5 |
| ITF 15 Antalya | 2024/03/20 10:00 | Lucio Carnevalle v John Sperle | 0-6,3-6 |
| ITF M15 Monastir | 2024/02/29 11:05 | John Sperle v Lorenzo Carboni | 4-6,1-6 |
| ITF M15 Monastir | 2024/02/27 12:00 | John Sperle v Marc Ros Mesas | 6-1,6-0 |
| ITF M15 Monastir | 2024/02/22 10:55 | John Sperle v Matej Dodig | 5-7,1-6 |
| ITF M15 Monastir | 2024/02/21 16:00 | Samuel Puskar v John Sperle | 4-6,1-6 |
| ITF M15 Monastir | 2024/02/15 11:00 | Ulises Blanch v John Sperle | 6-4,6-7,7-5 |
| ITF M15 Monastir | 2024/02/14 08:30 | Tomas Lanik v John Sperle | 3-6,6-7 |
| ITF 15 Antalya | 2024/03/22 10:05 | Justin Engel v Joel Schwaerzler | 1-6,0-6 |
| ITF 15 Antalya | 2024/03/21 10:20 | Ioan Alexandru Chirita v Justin Engel | 6-7,2-6 |
| ITF 15 Antalya | 2024/03/20 11:45 | Louroi Martinez 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 15 Antalya | 2023/12/07 06:30 | Justin Engel v Evgeny Tyurnev | 4-6,3-6 |
| ITF 15 Antalya | 2023/12/05 09:05 | Mert Alkaya v Justin Engel | 5-7,6-3,7-10 |
| ITF 15 Antalya | 2023/12/04 13:00 | Gabriel Schenekenberg v Justin Engel | 5-7,4-6 |
| ITF 15 Antalya | 2023/12/03 07:00 | Dmitrii Vasilev v Justin Engel | 1-6,5-7 |