Stadium: Cancha 7 Round: 24 Ground: Clay
| Challenger Campinas | 2019/10/01 16:20 | Nicolas Alvarez v Jahn, Jeremy | 6-4,6-2 |
| Challenger Biella | 2019/09/18 11:15 | Alejandro Davidovich Fokina v Jahn, Jeremy | 7-5,7-5 |
| Challenger Biella | 2019/09/16 14:10 | Jahn, Jeremy v Enrico Dalla Valle | 6-3,6-4 |
| Challenger Szczecin | 2019/09/13 12:00 | Albert Ramos-Vinolas v Jahn, Jeremy | 7-6,6-2 |
| Challenger Szczecin | 2019/09/12 12:45 | Jahn, Jeremy v Gianluca Mager | 6-1,2-6,6-4 |
| Challenger Szczecin | 2019/09/11 08:00 | Rudolf Molleker v Jahn, Jeremy | 4-6,3-6 |
| Challenger Szczecin | 2019/09/10 14:00 | Vit Kopriva v Jahn, Jeremy | 5-7,4-6 |
| La Marsa, Singles M-ITF-TUN-37A | 2019/09/06 10:00 | Santanna, B. v Jahn, Jeremy | 6-1,6-2 |
| Challenger Campinas | 2019/10/03 19:30 | Hidalgo, Diego v Hamou, Maxime | 7-6,4-6,6-3 |
| Challenger Campinas | 2019/10/02 23:40 | Hamou, Maxime v Thiago Monteiro | 7-5,4-6,6-1 |
| Challenger Campinas | 2019/10/01 14:35 | Hamou, Maxime v Nicolas Mejia | 6-3,6-3 |
| Challenger - Buenos Aires | 2019/09/25 18:55 | Francisco Cerundolo v Hamou, Maxime | 6-2,6-1 |
| Challenger - Buenos Aires | 2019/09/23 20:15 | Tomas Martin Etcheverry v Hamou, Maxime | 3-6,6-7 |
| Challenger Sibiu | 2019/09/17 10:50 | Hamou, Maxime v Christopher O'Connell | 7-6,6-7,2-6 |
| Challenger Sibiu | 2019/09/16 10:50 | Pavlasek, Adam v Hamou, Maxime | 3-6,4-6 |
| Challenger Seville | 2019/09/10 15:30 | Hamou, Maxime v Salvatore Caruso | 0-6,3-6 |