Stadium: Court 3 Round: 27 Ground: Hardcourt indoor
| Challenger Columbus - Herredouble | 2018/09/18 19:00 | Roelofse/Smith v Banes/Popyrin | 6-3,6-4 |
| Challenger - Chicago - Herredouble | 2018/09/05 20:15 | Paes/R-Valera v Roelofse/Smith | 7-6,6-7,10-7 |
| Challenger Busan - Herredouble | 2018/05/20 03:00 | Roelofse/Smith v Hsieh/Rungkat | 4-6,3-6 |
| Challenger Busan - Herredouble | 2018/05/19 02:00 | Roelofse/Smith v Ratiwatana/Ratiwatana | 6-4,6-4 |
| Challenger Busan - Herredouble | 2018/05/18 06:55 | Roelofse/Smith v Gong/Zhang | 3-6,6-1,16-14 |
| Challenger Busan - Herredouble | 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 Columbus - Herredouble | 2018/09/17 18:20 | Cash/Kingsley v Paul/Polansky | 3-6,3-6 |