Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF Canada F4 | 2018/06/28 17:00 | Rodriguez-Pace, Ricardo v Douglas, Jake | 6-4,7-5 |
| ITF Canada F4 | 2018/06/26 18:50 | Douglas, Jake v Lopez Villasenor, Gerardo | 6-4,4-6,7-6 |
| ITF Canada F4 Qual | 2018/06/25 17:00 | Douglas, Jake v Dunlap, Dane | 6-0,6-4 |
| ITF USA F1 Qual | 2017/12/31 17:00 | Daniel Cukierman v Douglas, Jake | 6-2,6-2 |
| ITF USA F1 Qual | 2017/12/30 18:30 | Douglas, Jake v Lu, Tyler | 6-0,6-1 |
| ITF Mexico F8 | 2017/12/07 15:00 | Escobar, Gonzalo v Douglas, Jake | 6-3,6-3 |
| ITF Mexico F8 | 2017/12/05 15:00 | Farren, Connor v Douglas, Jake | 6-7,6-3,5-7 |
| ITF Mexico F8 | 2017/12/03 17:00 | Douglas, Jake v Kurita, Kenta | 6-4,4-6,6-2 |
| ITF Canada F4 Qual | 2018/06/24 17:00 | Force, Charles v Scott, Harrison | 4-6,3-6 |
| ITF Canada F3 | 2018/06/20 19:30 | Thai-Son Kwiatkowski v Force, Charles | 6-0,6-1 |
| ITF Canada F3 Qual | 2018/06/18 19:10 | Trismen, Harris v Force, Charles | 5-7,6-2,6-7 |
| ITF USA F14 | 2018/06/10 15:00 | Arconada, Jordi v Force, Charles | 6-4,6-2 |
| Challenger Tallahassee Qual | 2018/04/21 15:35 | Max Purcell v Force, Charles | 6-2,6-1 |
| Cali, Colombia | 2017/10/16 15:00 | Force, Charles v Cristian Garin | 6-4,3-6,3-6 |
| Santo Domingo, Dominican Republic | 2017/08/14 18:30 | Force, Charles v Nicolas Jarry | 2-6,3-6 |
| Floridablanca, Colombia | 2017/08/07 16:00 | Force, Charles v Gastao Elias | 2-6,3-6 |