Stadium: Center Round: 29 Ground: Hardcourt outdoor
| Challenger Aptos MD | 2018/08/11 18:00 | O'Mara/Salisbury v Polmans/Purcell | 6-1,6-1 |
| Challenger Aptos MD | 2018/08/10 00:00 | O'Mara/Salisbury v Eubanks/Reese | 7-6,6-4 |
| Challenger Aptos MD | 2018/08/08 19:00 | O'Mara/Salisbury v Galloway/Maytin | 6-3,6-2 |
| Challenger Aptos MD | 2018/08/11 23:15 | Kokkinakis/Reid v Bambridge/Skupski | 3-6,7-5,10-6 |
| Challenger Aptos MD | 2018/08/09 19:15 | Verdugo/Siljestrom v Kokkinakis/Reid | 6-7,3-6 |
| Challenger Aptos MD | 2018/08/07 23:30 | Kokkinakis/Reid v Erlich/Roelofse | 3-6,6-2,10-7 |