Stadium: Court 15 Round: 27 Ground: Hardcourt outdoor
| Challenger Winnetka MD | 2018/07/13 18:00 | Aragone/Giron v Maytin/Rungkat | 4-6,6-4,13-15 |
| Challenger Winnetka MD | 2018/07/12 16:00 | Sell/Turini v Aragone/Giron | 3-6,4-6 |
| Challenger Winnetka MD | 2018/07/10 22:00 | Aragone/Giron v Chaplin/Saville | 6-3,6-3 |