Stadium: Court 3 Round: 25 Ground: Clay
| Orlando, Singles Qualifying M-ITF-USA-17A | 2019/06/18 13:00 | Mwendwa Mbithi v Alan F R Fierros | 6-2,6-2 |
| ITF M15 Cancun | 2019/06/12 15:55 | Mwendwa Mbithi v Smith, Errol | 4-6,6-7 |
| ITF M15 Cancun | 2019/06/10 19:00 | Mwendwa Mbithi v Gessner, Lucas | 6-2,6-2 |
| ITF M15 Cancun | 2019/06/03 13:30 | Morgan, Charl v Mwendwa Mbithi | 7-6,5-7,10-7 |
| ITF M25 Pensacola | 2019/05/09 16:25 | Mwendwa Mbithi v Mantilla, Felipe | 5-7,3-6 |
| ITF M25 Pensacola | 2019/05/08 19:55 | Tikhomirov, Maksim v Mwendwa Mbithi | 6-2,4-6,5-7 |
| ITF M25 Pensacola | 2019/05/07 15:00 | Mwendwa Mbithi v Giddens, Maxwell | 6-2,4-6,10-8 |
| ITF M25 Pensacola | 2019/05/06 20:00 | Ore, I. A. v Mwendwa Mbithi | 5-7,5-7 |
| Canada F7, Singles | 2018/09/11 13:30 | Volfson, David v Arconada, Jordi | 6-4,2-6,2-6 |
| ITF Canada F6 | 2018/09/06 17:10 | Nick Chappell v Volfson, David | 6-2,4-6,6-2 |
| ITF Canada F6 | 2018/09/04 16:45 | Volfson, David v Arconada, Jordi | 6-3,4-6,7-5 |
| ITF Romania F9 | 2018/08/15 12:00 | Volfson, David v Manda, Calin | 1-6,4-6 |
| ITF Romania F8 | 2018/08/07 07:00 | Volfson, David v Apostol, Bogdan Ionut | 1-6,2-6 |
| Challenger Granby | 2018/07/21 18:55 | Volfson, David v Lin, Jack Mingjie | 4-6,2-6 |
| 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 |