Stadium: Eden 12 Round: 60 Ground: Clay
| ITF Pakistan F3 | 2017/12/21 06:20 | Onken, Julian v Lopez Perez | 2-6,4-6 |
| ITF Pakistan F3 | 2017/12/20 05:00 | Onken, Julian v Luka Pavlovic | 6-1,3-6,6-3 |
| ITF Pakistan F3 | 2017/12/19 05:00 | Onken, Julian v Khan, Aqeel | 6-2,6-2 |
| Pakistan F2, Singles | 2017/12/15 05:00 | Nedelko, Ivan v Onken, Julian | 7-5,6-1 |
| Pakistan F2, Singles | 2017/12/14 06:25 | Abid, Muhammad v Onken, Julian | 0-6,1-6 |
| Pakistan F2, Singles | 2017/12/13 09:00 | Choudhary, Ahmed v Onken, Julian | 6-7,2-6 |
| ITF Pakistan F1 | 2017/12/06 07:00 | Onken, Julian v Iftikhar, Samir | 1-6,1-6 |
| ITF Pakistan F1 | 2017/12/04 05:30 | Onken, Julian v Hara, Tegbir Singh | 6-0,6-0 |
| ITF Tunisia F8 | 2018/02/24 09:00 | Sardella, Edoardo v Erwin Troebinger | 6-4,6-2 |
| ITF Tunisia F7 | 2018/02/18 11:00 | Erwin Troebinger v Rogic Hadzalic, Alen | 1-6,1-6 |
| ITF Germany F1 | 2018/01/07 08:00 | Erwin Troebinger v Heger, Tim | 3-6,4-6 |
| Challenger Ortisei Qual | 2017/10/09 09:35 | Viola, Matteo v Erwin Troebinger | 6-1,6-2 |
| Challenger Ortisei Qual | 2017/10/08 09:15 | Erwin Troebinger v Vega Hernandez, David | 6-2,2-6,6-4 |
| Challenger Ortisei Qual | 2017/10/07 12:00 | Davydov, Ivan v Erwin Troebinger | 2-6,6-4,6-7 |
| ITF Tunisia F27 | 2017/09/17 11:00 | Andrey Chepelev v Erwin Troebinger | 6-1,6-1 |
| ITF Tunisia F27 | 2017/09/16 11:00 | Ben Brahim, Zakaria v Erwin Troebinger | 1-6,3-6 |