Stadium: Stadium Court Round: 27 Ground: Clay
| Challenger Tallahassee MD | 2018/04/23 22:00 | Bambridge/O'Mara v Arnaboldi/Siljestrom | 6-3,7-6 |
| Challenger Sarasota MD | 2018/04/20 16:20 | King/Reese v Bambridge/O'Mara | 6-4,7-5 |
| Challenger Sarasota MD | 2018/04/19 14:00 | Nedunchezhiyan/Raja v Bambridge/O'Mara | 5-7,2-6 |
| Challenger Sarasota MD | 2018/04/18 16:05 | Arnaboldi/Chirala v Bambridge/O'Mara | 2-6,1-6 |
| Challenger Mexico City MD | 2018/04/15 17:00 | Bambridge/O'Mara v Hanfmann/Krawietz | 2-6,6-7 |
| Challenger Mexico City MD | 2018/04/13 23:00 | Bagnis/Verdugo v Bambridge/O'Mara | 4-6,6-3,9-11 |
| Challenger Mexico City MD | 2018/04/11 23:35 | Bambridge/O'Mara v Korda/Mejia | 7-6,6-1 |
| Challenger Tallahassee MD | 2018/04/25 20:00 | Harrison/Polansky v Clezar/Sorgi | 5-7,6-3,10-6 |
| Challenger Sarasota MD | 2018/04/22 17:00 | King/Reese v Harrison/Polansky | 6-1,6-2 |
| Challenger Sarasota MD | 2018/04/21 16:15 | Begemann/Sancic v Harrison/Polansky | 7-5,3-6,5-10 |
| Challenger Sarasota MD | 2018/04/20 19:40 | Clezar/Siljestrom v Harrison/Polansky | 6-7,3-6 |
| Challenger Sarasota MD | 2018/04/19 18:30 | Harrison/Polansky v Lipsky/Young | 1-6,6-3,10-5 |