Estádio: Court 14 Round: 54 Ground: Clay
| ITF - EUA F28 | 2018/10/13 17:30 | Alexander Knight v Guillermo Arrambide | 6-3,6-2 |
| ITF - Canadá F7 | 2018/09/11 18:35 | Alexander Knight v Takuto Niki | 4-6,6-7 |
| ITF - Canadá F7 | 2018/09/09 13:30 | Alexander Knight v Nicaise Muamba | 6-2,6-1 |
| ITF - Canadá F7 | 2018/09/08 14:00 | Alexander Knight v Kyle Johnson | 6-1,6-2 |
| ITF - Canadá F6 | 2018/09/05 14:00 | Alexander Knight v Lloyd Glasspool | 6-7,3-6 |
| ITF - Canadá F6 | 2018/09/03 16:55 | Nick Lagaev v Alexander Knight | 2-6,2-6 |
| ITF - Canadá F6 | 2018/09/02 15:00 | Nicaise Muamba v Alexander Knight | 6-7,0-6 |
| ITF - Canadá F6 | 2018/09/01 15:00 | Philip Wilbert Major v Alexander Knight | 1-6,4-6 |
| ITF - M15 Cancún | 2019/03/27 16:30 | Gabriel Donev v Andrew Watson | 0-6,2-6 |
| ITF - M15 Cancún | 2019/03/25 19:00 | George Botezan v Gabriel Donev | 2-6,2-6 |
| ITF - M15 Cancún | 2019/03/25 17:00 | Wilfredo Gonzalez v Gabriel Donev | 2-6,6-3,8-10 |
| ITF - M15 Cancún | 2019/03/18 18:30 | Maksim Tikhomirov v Gabriel Donev | 6-2,6-2 |
| ITF - M15 Cancún | 2019/03/18 14:30 | Matt McBride v Gabriel Donev | 6-4,4-6,8-10 |
| ITF - M15 Antália | 2019/02/18 07:00 | Alexander Weis v Gabriel Donev | 6-2,6-0 |
| ATP - Sófia | 2019/02/03 14:05 | Sergiy Stakhovsky v Gabriel Donev | 6-1,6-2 |
| ITF - Turquia F37 | 2018/11/24 07:00 | Edris Fetisleam v Gabriel Donev | 6-1,6-4 |