Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| Challenger Cary - MP | 2018/09/09 18:20 | Johnson/Johnson v Ortega-Olmedo/Vivero Gonzalez | 2-6,6-3,0-0 |
| ITF Canada F6 MD | 2018/09/04 20:55 | Johnson/Johnson v Glasspool/Paris | 4-6,4-6 |
| Challenger Vancouver – MP | 2018/08/16 01:50 | Erlich/Qureshi v Johnson/Johnson | 6-3,7-6 |
| Challenger Aptos MD | 2018/08/06 22:00 | Nedunchezhiyan/Raja v Johnson/Johnson | 6-2,6-4 |
| Challenger Lexington - MP | 2018/07/30 19:45 | Johnson/Johnson v Harris/Purcell | 4-6,6-3,6-10 |
| Challenger Binghamton MD | 2018/07/27 16:00 | Johnson/Johnson v Galloway/Maytin | 4-6,4-6 |
| Challenger Gatineau MD | 2018/07/18 19:00 | Mousley/Reid v Johnson/Johnson | 6-3,6-7,10-3 |
| Challenger Gatineau MD | 2018/07/16 20:00 | Johnson/Johnson v Escoffier/Humbert | 6-4,3-6,11-9 |