Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF Canada F4 Qual | 2018/06/25 17:00 | Justin Roberts v Colin Markes | 3-6,3-6 |
| ITF Canada F4 Qual | 2018/06/24 17:00 | Colin Markes v A.J Catanzariti | 6-2,6-3 |
| ITF Canada F4 Qual | 2018/06/23 17:00 | Peck, Joshua v Colin Markes | 3-6,6-3,5-7 |
| ITF USA F23 Qual | 2017/07/01 13:30 | Chavez, Nathan v Colin Markes | 2-6,5-7 |
| ITF USA F21 Qual | 2017/06/25 16:30 | Stalder, Reese v Colin Markes | 3-6,6-4,7-5 |
| ITF USA F21 Qual | 2017/06/24 19:30 | Mcbride, Matt v Colin Markes | 4-6,3-6 |
| ITF USA F39 Qual | 2016/11/27 16:00 | Colin Markes v Caruana, Liam | 3-6,1-6 |
| ITF USA F27 Qual | 2016/08/06 13:30 | Smith, Roy v Colin Markes | 6-3,6-4 |
| ITF Canada F4 | 2018/06/26 17:00 | Maginley, J. v Verbeek, Sem | 6-7,1-6 |
| ITF USA F15 | 2018/06/19 17:30 | Verbeek, Sem v Strong Kirchheimer | 3-6,6-4,3-6 |
| ITF USA F13 | 2018/06/12 14:00 | Ryan Peniston v Verbeek, Sem | 7-6,6-4 |
| Tunisia F18, Singles Qualifying | 2018/05/10 10:30 | Verbeek, Sem v Artunedo Martinav. | 2-6,4-6 |
| Tunisia F18, Singles Qualifying | 2018/05/09 10:35 | Verbeek, Sem v Blanco Guadalupe, Jorge | 6-4,6-3 |
| Tunisia F17, Singles Qualifying | 2018/05/05 09:00 | Tchoutakian, Maxime v Verbeek, Sem | 4-6,6-3,6-4 |
| Tunisia F17, Singles Qualifying | 2018/05/04 09:00 | Verbeek, Sem v Ignacio Carou | 6-4,6-1 |
| Tunisia F17, Singles Qualifying | 2018/05/03 09:00 | Verbeek, Sem v Sergi Perez Contri | 6-1,6-2 |