| Challenger Lexington DM | 08/01 21:30 | 26 | Harrison/Sandgren v Hong/Ly | 4-6,2-6 | |
| Challenger Chicago DM | 07/14 17:00 | 28 | Chung/Harris v Harrison/Sandgren | 6-4,3-6,10-7 | |
| Challenger Chicago DM | 07/13 19:00 | 27 | Nam/Sitak v Harrison/Sandgren | 2-6,1-6 | |
| Challenger Chicago DM | 07/12 22:00 | 26 | McCabe/Zhukayev v Harrison/Sandgren | Walkover |