Stadium: Court Central Round: 45 Ground: Hardcourt outdoor
| Challenger Gatineau Qual | 2018/07/15 00:45 | Boulais, Justin v Volfson, David | 6-3,6-2 |
| Challenger Winnipeg | 2018/07/10 18:20 | Volfson, David v Yunseong Chung | 3-6,3-6 |
| ITF Canada F5 | 2018/07/06 19:40 | Volfson, David v Griffith, William | 6-7,6-2,3-6 |
| ITF Canada F5 | 2018/07/05 18:20 | Halebian, Alexios v Volfson, David | 4-6,6-7 |
| ITF Canada F5 | 2018/07/03 16:00 | Baadi, Taha v Volfson, David | 5-7,0-6 |
| ITF USA F16 | 2018/06/19 17:00 | Volfson, David v Godamanna, Harshana | 7-6,4-6,2-6 |
| ITF USA F14 | 2018/06/14 16:00 | Volfson, David v Baughman, Deiton | 6-2,3-6,6-7 |
| ITF USA F14 | 2018/06/12 21:00 | Fugate, Marcus v Volfson, David | 6-7,3-6 |
| Challenger Gatineau Qual | 2018/07/14 15:35 | Lin, Jack Mingjie v Nicaise Muamba | 5-7,6-2,4-6 |
| Challenger Winnipeg Qual | 2018/07/09 16:40 | Yunseong Chung v Lin, Jack Mingjie | 6-2,6-2 |
| Challenger Winnipeg Qual | 2018/07/08 23:15 | Lin, Jack Mingjie v Grills, Jacob | 6-4,6-0 |
| Challenger Winnipeg Qual | 2018/07/08 19:00 | Lin, Jack Mingjie v Kylar, Kevin | 6-4,6-2 |
| ITF Canada F5 | 2018/07/05 17:00 | Marc-Andrea Huesler v Lin, Jack Mingjie | 4-6,7-5,6-4 |
| Drummondville, Canada | 2018/03/15 00:00 | Lin, Jack Mingjie v Dancevic, Frank | 5-7,1-6 |
| Challenger Gatineau Qual | 2017/07/15 21:35 | Aragone, JC v Lin, Jack Mingjie | 6-2,1-6,7-6 |
| Challenger Winnipeg | 2017/07/11 15:00 | Yusuke Takahashi v Lin, Jack Mingjie | 6-2,6-0 |