Stadium: Tcsb 3 Round: 26 Ground: Hardcourt indoor
| Challenger Yokohama MD | 2018/03/03 04:05 | Ratiwatana/Ratiwatana v Kamke/Puetz | 6-3,5-7,10-12 |
| 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 |
| Challenger Lille MD | 2018/03/24 12:00 | Nedunchezhiyan/Raja v Nys/Puetz | 6-7,6-1,7-10 |
| Challenger Lille MD | 2018/03/23 10:00 | Bambridge/Salisbury v Nedunchezhiyan/Raja | 6-7,4-6 |
| Challenger Lille MD | 2018/03/21 11:00 | Nedunchezhiyan/Raja v Arends/Weissborn | 4-6,6-1,11-9 |
| Challenger Indian Wells MD | 2018/02/28 22:20 | Broady/Reid v Nedunchezhiyan/Raja | 6-3,6-4 |
| Challenger Indian Wells MD | 2018/02/26 19:25 | Fritz/Opelka v Nedunchezhiyan/Raja | 2-6,6-7 |