Stadium: Tennis King 3 Round: 44 Ground: Carpet indoor
| ITF Canada F8 | 2017/09/20 15:30 | Pavel Krainik v Jonathan Chang | 6-2,6-1 |
| ITF Canada F7 | 2017/09/13 15:40 | Sam Barry v Jonathan Chang | 6-3,6-3 |
| ITF Canada F7 | 2017/09/12 17:15 | Winston Lin v Jonathan Chang | 2-6,1-6 |
| ITF Canada F7 Qual | 2017/09/10 16:15 | Jonathan Chang v Rowland Phillips | 6-1,6-1 |
| ITF Canada F7 Qual | 2017/09/09 21:00 | Jonathan Chang v Francis Pare | 6-2,6-4 |
| ITF Canada F6 | 2017/09/06 15:30 | Daniel Nguyen v Jonathan Chang | 6-4,6-4 |
| ITF Canada F6 | 2017/09/04 17:10 | Jonathan Chang v Gary Kushnirovich | 6-4,3-6,6-1 |
| ITF Canada F6 Qual | 2017/09/03 17:55 | Jonathan Chang v Denton Ho | 6-1,6-1 |
| ITF Italy F28 Qual | 2017/09/02 15:55 | Tommaso Schold v Jakob Aichhorn | 2-6,7-6,6-2 |
| ITF Germany F12 | 2017/08/20 08:00 | Jakob Aichhorn v Rene Schulte | 2-6,3-6 |
| ITF Germany F11 | 2017/08/14 11:30 | Jakob Aichhorn v Daniel Kopeinigg | 6-7,7-5,5-7 |
| ITF Germany F11 | 2017/08/13 13:00 | Jakob Aichhorn v Tim Seibert | 6-4,6-7,6-1 |
| ITF Austria F6 | 2017/08/08 08:00 | Jakob Aichhorn v Alessandro Ceppellini | 1-6,7-6,1-6 |
| ITF Austria F5 | 2017/07/30 08:00 | Matthias Haim v Jakob Aichhorn | 1-6,7-6,7-6 |
| ITF Austria F5 | 2017/07/29 08:00 | Mateo Bubalo v Jakob Aichhorn | 0-6,0-6 |
| ITF Austria F4 | 2017/07/25 09:00 | Jonas Trinker v Jakob Aichhorn | 6-2,6-1 |