Round: 26 Ground: Clay
| Challenger Fairfield DM | 2018/10/14 19:00 | Ratiwatana/Rungkat v Heliovaara/Laaksonen | 6-0,7-6 |
| Challenger Fairfield DM | 2018/10/13 01:00 | Ratiwatana/Rungkat v Huesler/Verbeek | 6-4,6-4 |
| Challenger Fairfield DM | 2018/10/12 01:00 | Ratiwatana/Rungkat v Johnson/Johnson | 6-4,5-7,10-6 |
| Challenger Fairfield DM | 2018/10/11 01:25 | Ratiwatana/Rungkat v Kokkinakis/Reid | 6-3,6-4 |
| Challenger Stockton DM | 2018/10/06 21:30 | Ratiwatana/Rungkat v King/Rubin | 3-6,4-6 |
| Challenger Stockton DM | 2018/10/05 22:10 | Ratiwatana/Rungkat v Matsui/Nielsen | 5-7,6-1,10-8 |
| Challenger Stockton DM | 2018/10/04 20:55 | Ratiwatana/Rungkat v Fruttero/Kypson | 6-4,6-2 |
| Challenger Stockton DM | 2018/10/01 23:25 | Ratiwatana/Rungkat v Paul/Reed | 6-3,6-3 |