Stadium: Court 2 Round: 29 Ground: Hardcourt outdoor
| Challenger Yokohama MD | 2018/03/02 06:25 | Ratiwatana/Ratiwatana v Ito/Uesugi | 5-7,6-2,10-6 |
| Challenger Yokohama MD | 2018/02/28 05:10 | Ratiwatana/Ratiwatana v Purcell/Whittington | 6-3,7-5 |
| 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 Yokohama MD | 2018/03/01 05:10 | Rungkat/Zhang v Kamke/Puetz | 3-6,3-6 |
| Challenger Yokohama MD | 2018/02/28 06:30 | Gong/Hsieh v Kamke/Puetz | 6-7,6-7 |
| Challenger Yokohama MD | 2018/02/27 06:20 | Kamke/Puetz v Balaji/Uchiyama | 6-4,6-3 |
| Challenger Kyoto MD | 2018/02/22 06:45 | Gong/Hsieh v Kamke/Puetz | 6-7,6-2,10-3 |
| Challenger Kyoto MD | 2018/02/20 08:05 | Kamke/Puetz v Purcell/Whittington | 6-4,2-6,10-6 |