Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| Challenger Yokohama MD | 2018/02/26 05:40 | Ratiwatana/Ratiwatana v Hazawa/Imamura | 6-3,6-4 |
| Challenger Kyoto MD | 2018/02/20 09:25 | Ratiwatana/Ratiwatana v Gong/Hsieh | 6-7,4-6 |
| Challenger Chennai MD | 2018/02/15 10:00 | Ratiwatana/Ratiwatana v Ilkel/Petrovic | 6-7,6-2,8-10 |
| Challenger Chennai MD | 2018/02/14 04:30 | Ratiwatana/Ratiwatana v Anand/Bendre | 6-0,6-2 |
| Challenger Chennai MD | 2018/02/12 11:05 | Ratiwatana/Ratiwatana v Sood/Sood | 6-0,6-3 |
| Australian Open MD | 2018/01/17 03:15 | Andujar/Ramos-Vinolas v Ratiwatana/Ratiwatana | 6-4,6-4 |
| Challenger Bangkok MD | 2018/01/11 06:25 | Ratiwatana/Ratiwatana v Hsieh/Yang | 4-6,6-7 |
| Challenger Bangkok MD | 2018/01/10 09:15 | Ratiwatana/Ratiwatana v Nielsen/O'Hare | 6-3,6-4 |
| Challenger Yokohama MD | 2018/02/26 06:25 | Li/Robert v Purcell/Whittington | 6-3,4-6,0-10 |
| Challenger Kyoto MD | 2018/02/20 08:05 | Kamke/Puetz v Purcell/Whittington | 6-4,2-6,10-6 |
| Challenger Launceston MD | 2018/02/09 04:10 | Purcell/Whittington v Bangoura/Pasha | 4-6,6-7 |
| Challenger Launceston MD | 2018/02/08 05:30 | Reid/Saville v Purcell/Whittington | 2-6,3-6 |
| Challenger Launceston MD | 2018/02/07 04:00 | Purcell/Whittington v Coppejans/Prashanth | 6-1,6-4 |
| Challenger Burnie MD | 2018/02/02 04:00 | King/Schnur v Purcell/Whittington | 6-4,6-4 |
| Challenger Burnie MD | 2018/02/01 05:40 | Purcell/Whittington v Li/Robert | 2-6,6-3,10-8 |
| Challenger Burnie MD | 2018/01/30 05:00 | Purcell/Whittington v King/O'Brien | 6-1,7-6 |