Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| Challenger Gimcheon MD | 2018/05/12 06:20 | Roelofse/Smith v Ratiwatana/Ratiwatana | 6-2,6-3 |
| Challenger Gimcheon MD | 2018/05/11 05:30 | Ratiwatana/Ratiwatana v Bury/Peng | 3-6,6-3,10-4 |
| Challenger Gimcheon MD | 2018/05/10 07:20 | Purcell/Saville v Ratiwatana/Ratiwatana | 1-6,4-6 |
| Challenger Gimcheon MD | 2018/05/09 04:30 | Chen/Yi v Ratiwatana/Ratiwatana | 1-6,6-4,8-10 |
| Challenger Seoul MD | 2018/05/03 07:00 | Chen/Yi v Ratiwatana/Ratiwatana | 7-6,4-6,10-8 |
| Challenger Taipei MD | 2018/04/13 10:50 | Ebden/Whittington v Ratiwatana/Ratiwatana | 6-3,6-4 |
| Challenger Taipei MD | 2018/04/12 09:35 | Erlich/Nielsen v Ratiwatana/Ratiwatana | 0-6,6-3,6-10 |
| Challenger Taipei MD | 2018/04/11 08:10 | Ito/Matsui v Ratiwatana/Ratiwatana | 7-6,3-6,6-10 |