Stadium: Court Central Round: 26 Ground: Hardcourt indoor
| Challenger Calgary MD | 2018/10/19 22:00 | Reid/Smith v Martinez/Quiroz | 6-3,6-3 |
| Challenger Calgary MD | 2018/10/19 02:25 | Reese/Shamasdin v Martinez/Quiroz | 6-7,6-4,8-10 |
| Challenger Calgary MD | 2018/10/17 20:00 | Martinez/Quiroz v Silva/Turini | 7-6,7-6 |