Stadium: Court 6 Round: 62 Ground: Clay
| ITF USA F13 Qual | 2018/06/10 14:00 | Drew Van Orderlain v Jonathan Chang | 7-5,6-2 |
| Challenger Irving Qual | 2018/03/12 17:30 | Arthur Rinderknech v Jonathan Chang | 6-1,6-4 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Deiton Baughman v Jonathan Chang | 6-1,6-1 |
| ITF Canada F2 Qual | 2018/03/03 15:00 | Jonathan Chang v Julian Zlobinsky | 6-4,3-6,3-6 |
| ITF Canada F1 | 2018/03/01 00:00 | Jonathan Chang v Frank Dancevic | 2-6,6-7 |
| ITF Canada F1 Qual | 2018/02/26 15:00 | Sem Verbeek v Jonathan Chang | 5-7,6-3,4-6 |
| ITF Canada F1 Qual | 2018/02/25 15:00 | Emmett Ward v Jonathan Chang | 2-6,4-6 |
| ITF Germany F3 Qual | 2018/01/28 13:00 | Nikolas Walterscheid-Tukic v Jonathan Chang | 6-7,6-4,7-6 |
| ITF USA F13 Qual | 2018/06/11 17:00 | Reese Stalder v Aleksandar Kovacevic | 6-7,6-3,3-6 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Harrison Adams v Reese Stalder | 6-7,1-6 |
| ITF USA F13 Qual | 2018/06/09 15:30 | Jarryd Woog v Reese Stalder | 2-6,4-6 |
| ITF USA F2 Qual | 2018/01/06 21:00 | Alexander Lebedev v Reese Stalder | 7-6,6-3 |
| ITF USA F1 Qual | 2017/12/31 18:00 | Logan Smith v Reese Stalder | 6-1,6-2 |
| ITF USA F1 Qual | 2017/12/30 20:30 | Reese Stalder v Grega Teraz | 7-6,6-1 |
| ITF USA F39 Qual | 2017/11/26 15:00 | Ezekiel Clark v Reese Stalder | 4-6,6-1,6-3 |
| ITF USA F39 Qual | 2017/11/25 16:00 | Trent Bryde v Reese Stalder | 0-6,6-2,2-6 |