Stadium: Court 1 Round: 44 Ground: Hardcourt indoor
| ITF Canada F1 Qual | 2018/02/25 15:00 | Sem Verbeek v Francis Pare | 6-2,6-4 |
| Challenger San Francisco Qual | 2018/02/05 00:30 | Maximo Gonzalez v Sem Verbeek | 6-3,6-2 |
| ITF Dominican Republic F3 | 2017/12/14 14:00 | Sem Verbeek v Alejandro Gomez | 6-2,6-7,4-6 |
| ITF Dominican Republic F3 | 2017/12/13 13:30 | Roberto Quiroz v Sem Verbeek | 7-6,6-7,3-6 |
| ITF Dominican Republic F3 | 2017/12/11 14:30 | Sem Verbeek v Evan Zhu | 6-2,7-6 |
| ITF Dominican Republic F2 | 2017/12/08 13:30 | Sem Verbeek v Emilio Gomez | 3-6,2-6 |
| ITF Dominican Republic F2 | 2017/12/07 13:30 | George Botezan v Sem Verbeek | 0-6,2-6 |
| ITF Dominican Republic F2 | 2017/12/05 15:05 | Sem Verbeek v Jose Fco. Vidal Azorin | 6-7,6-2,6-1 |
| 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 Germany F2 Qual | 2018/01/21 13:00 | Tim Heger v Jonathan Chang | 7-6,6-4 |
| ITF Germany F1 | 2018/01/08 09:00 | Jonathan Chang v Jakob Aichhorn | 2-6,3-6 |
| ITF Dominican Republic F1 | 2017/11/27 13:00 | Jonathan Chang v Lukas Greif | 6-3,4-6,0-6 |
| ITF USA F37 | 2017/11/17 18:15 | Jonathan Chang v Nuno Borges | 2-6,2-6 |
| ITF USA F37 | 2017/11/16 16:00 | Harrison Adams v Jonathan Chang | 0-6,3-6 |
| ITF USA F37 | 2017/11/14 17:50 | Nick Chappell v Jonathan Chang | 6-3,4-6,3-6 |