Stadium: Center Round: 27 Ground: Clay
| Challenger Sarasota MD | 2018/04/17 18:10 | Nedunchezhiyan/Raja v Galloway/Krueger | 6-3,3-6,10-7 |
| Challenger St Brieuc MD | 2018/03/28 13:55 | Ratiwatana/Ratiwatana v Nedunchezhiyan/Raja | 7-6,3-6,10-8 |
| 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 |
| Challenger Sarasota MD | 2018/04/18 16:05 | Arnaboldi/Chirala v Bambridge/O'Mara | 2-6,1-6 |
| Challenger Mexico City MD | 2018/04/15 17:00 | Bambridge/O'Mara v Hanfmann/Krawietz | 2-6,6-7 |
| Challenger Mexico City MD | 2018/04/13 23:00 | Bagnis/Verdugo v Bambridge/O'Mara | 4-6,6-3,9-11 |
| Challenger Mexico City MD | 2018/04/11 23:35 | Bambridge/O'Mara v Korda/Mejia | 7-6,6-1 |