Stadium: Court 4 Round: 25 Ground: Clay
| ITF Canada F7 | 2018/09/11 13:30 | David Volfson v Jordi Arconada | 6-4,2-6,2-6 |
| ITF Canada F6 | 2018/09/06 17:10 | Nick Chappell v David Volfson | 6-2,4-6,6-2 |
| ITF Canada F6 | 2018/09/04 16:45 | David Volfson v Jordi Arconada | 6-3,4-6,7-5 |
| ITF Romania F9 | 2018/08/15 12:00 | David Volfson v Calin Manda | 1-6,4-6 |
| ITF Romania F8 | 2018/08/07 07:00 | David Volfson v Bogdan Ionut Apostol | 1-6,2-6 |
| Challenger Granby | 2018/07/21 18:55 | David Volfson v Jack Mingjie Lin | 4-6,2-6 |
| Challenger Gatineau Qual | 2018/07/15 00:45 | Justin Boulais v David Volfson | 6-3,6-2 |
| Challenger Winnipeg | 2018/07/10 18:20 | David Volfson v Yunseong Chung | 3-6,3-6 |
| ITF USA F24 | 2018/09/08 16:00 | George Goldhoff v August Holmgren | 7-5,6-4 |
| ITF Netherlands F6 | 2018/08/27 08:00 | John Harrison Richmond v August Holmgren | 1-6,6-3,6-4 |
| ITF Netherlands F6 | 2018/08/26 08:00 | August Holmgren v Floris Podzimek | 6-1,6-2 |
| ITF Germany F5 | 2018/06/25 08:00 | Gabriel Donev v August Holmgren | 6-2,7-6 |
| ITF Germany F4 | 2018/06/20 13:25 | August Holmgren v Dimitar Kuzmanov | 1-6,1-6 |
| ITF Germany F4 | 2018/06/18 08:30 | Daniil Klimov v August Holmgren | 1-6,1-6 |
| ITF Germany F4 | 2018/06/17 12:00 | Caspar Schuetze v August Holmgren | 2-6,3-6 |
| ITF Germany F4 | 2018/06/16 10:30 | August Holmgren v Lawrence Bataljin | 6-2,6-4 |