Stadium: Centre Court Round: 28
| 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 |
| Challenger Gimcheon MD | 2018/05/10 06:00 | Hsieh/Rungkat v Nielsen/Pospisil | 3-6,3-6 |
| Challenger Gimcheon MD | 2018/05/09 03:25 | Klein/Schnur v Nielsen/Pospisil | 2-6,5-7 |