Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| Challenger Aptos MD | 2018/08/06 22:00 | Nedunchezhiyan/Raja v Johnson/Johnson | 6-2,6-4 |
| Challenger Sarasota MD | 2018/04/19 14:00 | Nedunchezhiyan/Raja v Bambridge/O'Mara | 5-7,2-6 |
| 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 Aptos MD | 2018/08/08 20:15 | Polmans/Purcell v Fruttero/Novikov | 3-6,7-6,12-10 |
| Challenger Savannah MD | 2018/05/03 19:30 | Cuevas/Dellien v Polmans/Purcell | 3-6,6-4,10-7 |
| Challenger Savannah MD | 2018/04/30 18:35 | Riffice/Ritschard v Polmans/Purcell | 4-6,4-6 |
| Challenger Tallahassee MD | 2018/04/25 22:00 | Galloway/Kudla v Polmans/Purcell | 6-1,6-3 |