Stadium: C3 Round: 45
| ITF M15 Palmanova | 2019/01/23 08:30 | Carlos Lopez Montagud v Jonas Trinker | 3-6,7-5,6-3 |
| ITF M15 Palmanova | 2019/01/22 10:00 | Jonas Trinker v Benjamin Winter Lopez | 6-3,6-1 |
| ITF M15 Palmanova | 2019/01/21 11:00 | Jonas Trinker v Boyao Huang | 6-0,6-1 |
| ITF M15 Manacor | 2019/01/15 09:30 | Jonas Trinker v Jakob Sude | 1-6,1-6 |
| ITF M15 Manacor | 2019/01/14 13:00 | Jonas Trinker v Nazim Makhlouf | 7-6,2-6,11-9 |
| ITF M15 Manacor | 2019/01/08 11:30 | Adrian Bodmer v Jonas Trinker | 6-3,6-4 |
| ITF Greece F8 | 2018/11/14 07:30 | Jonas Trinker v Tom Kocevar-Desman | 6-3,4-6,1-6 |
| ITF Greece F8 | 2018/11/12 07:30 | Jonas Trinker v Mathieu Garcia | 6-3,7-6 |