Stadium: Center Round: 27 Ground: Hardcourt outdoor
| Challenger Champaign MD | 2018/11/14 00:05 | Johnson/Johnson v Hiltzik/Kovacevic | 7-6,3-6,6-10 |
| Challenger Charlottesville MD | 2018/10/31 21:10 | Johnson/Johnson v Arevalo/Maytin | 2-6,3-6 |
| ITF USA F28B MD | 2018/10/24 15:00 | Johnson/Johnson v Bradley/Findel-Hawkins | 6-7,4-6 |
| ITF USA F28B MD | 2018/10/23 20:00 | Johnson/Johnson v Tchoutakian/Zsiga | 6-7,6-2,10-5 |
| Challenger Calgary MD | 2018/10/15 21:35 | Gomez/Gonzalez v Johnson/Johnson | 6-3,2-6,12-10 |
| Challenger Fairfield MD | 2018/10/12 01:00 | Ratiwatana/Rungkat v Johnson/Johnson | 6-4,5-7,10-6 |
| Challenger Fairfield MD | 2018/10/10 21:20 | Goransson/Siljestrom v Johnson/Johnson | 6-4,2-6,6-10 |
| Challenger Tiburon MD | 2018/09/27 23:30 | King/Pasha v Johnson/Johnson | 6-4,6-2 |