Stadium: C Round: 26 Ground: Hardcourt outdoor
| Challenger Busan MD | 2018/05/20 03:00 | Roelofse/Smith v Hsieh/Rungkat | 4-6,3-6 |
| Challenger Busan MD | 2018/05/19 02:00 | Roelofse/Smith v Ratiwatana/Ratiwatana | 6-4,6-4 |
| Challenger Busan MD | 2018/05/18 06:55 | Roelofse/Smith v Gong/Zhang | 3-6,6-1,16-14 |
| Challenger Busan MD | 2018/05/17 07:30 | Roelofse/Smith v Kim/Lim | 6-4,6-4 |
| Challenger Gimcheon MD | 2018/05/12 06:20 | Roelofse/Smith v Ratiwatana/Ratiwatana | 6-2,6-3 |
| Challenger Gimcheon MD | 2018/05/09 04:45 | Roelofse/Smith v Wu/Zhang | 6-2,6-3 |
| Challenger Gimcheon MD | 2018/05/07 07:40 | Roelofse/Smith v Gong/Uchiyama | 7-6,7-5 |