Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF - M25 Trente | 2019/03/03 09:30 | Jahn, Jeremy v Jannik Sinner | 3-6,4-6 |
| ITF - M25 Trente | 2019/03/02 13:00 | Lenz, Julian v Jahn, Jeremy | 6-7,3-6 |
| ITF - M25 Trente | 2019/03/01 12:30 | Dubrivnyy, Artem v Jahn, Jeremy | 0-6,3-6 |
| ITF - M25 Trente | 2019/02/28 11:50 | Heyman, Christopher v Jahn, Jeremy | 6-3,3-6,4-6 |
| ITF - M25 Trente | 2019/02/27 12:10 | Bernardi, Mattia v Jahn, Jeremy | 2-6,0-6 |
| ITF M25 Glasgow | 2019/02/24 13:15 | Jahn, Jeremy v Antoine Escoffier | 2-6,6-7 |
| ITF M25 Glasgow | 2019/02/23 10:00 | Hoyt, Evan v Jahn, Jeremy | 4-6,7-6,3-6 |
| ITF M25 Glasgow | 2019/02/22 14:06 | Igor Sijsling v Jahn, Jeremy | 5-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/26 08:00 | Manafov, Vladyslav v Lozan, Kristian | 6-2,7-5 |
| ITF - M15 Sharm El Sheikh | 2019/02/22 08:00 | Lozan, Kristian v Michael Geerts | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/21 08:00 | Lozan, Kristian v Lakat, Florian | 6-1,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/02/20 08:00 | Benjamin Lock v Lozan, Kristian | 4-6,6-7 |
| ITF - M15 Sharm El Sheikh | 2019/02/18 11:00 | Lozan, Kristian v Botezan, George | 6-1,4-6,10-4 |
| ITF - M15 Sharm El Sheikh | 2019/02/18 07:30 | Lozan, Kristian v Makhmudov, Damir | 6-1,6-0 |
| Kazan, Simples M-ITF-RUS-02A | 2019/01/23 10:00 | Lozan, Kristian v Tyurnev, Evgeny | 1-6,2-6 |
| ITF Qatar F6 | 2018/12/17 11:55 | Muzaev, Richard v Lozan, Kristian | 6-4,6-0 |