Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| Challenger Charlottesville MD | 2018/11/01 18:00 | Polansky/Shamasdin v Arevalo/Maytin | 6-4,3-6,10-12 |
| Challenger Charlottesville MD | 2018/10/30 20:30 | Polansky/Shamasdin v Reid/Roelofse | 6-4,7-6 |
| Challenger Le Gosier MD | 2018/03/31 22:10 | Bemelmans/Eysseric v Polansky/Shamasdin | 7-5,6-3 |
| Challenger Le Gosier MD | 2018/03/30 20:40 | Gille/Vliegen v Polansky/Shamasdin | 6-7,7-6,8-10 |
| Challenger Le Gosier MD | 2018/03/29 01:20 | Polansky/Shamasdin v Verdugo/Schnur | 6-4,6-2 |
| Challenger Indian Wells MD | 2018/03/02 20:45 | Polansky/Shamasdin v Krajicek/Withrow | 3-6,4-6 |
| Challenger Indian Wells MD | 2018/03/01 19:00 | Petzschner/Smyczek v Polansky/Shamasdin | 4-6,6-4,8-10 |
| Challenger Indian Wells MD | 2018/02/26 18:00 | Polansky/Shamasdin v Basic/Hanfmann | 6-3,7-6 |
| Challenger Knoxville MD | 2018/11/05 20:00 | Harper/King v Heliovaara/Laaksonen | 4-6,1-6 |
| Challenger Charlottesville MD | 2018/11/04 18:00 | Heliovaara/Laaksonen v Matsui/Nielsen | 6-3,6-4 |
| Challenger Charlottesville MD | 2018/11/03 20:05 | King/King v Heliovaara/Laaksonen | 2-6,2-6 |
| Challenger Charlottesville MD | 2018/10/31 21:55 | Gonzales/Lammons v Heliovaara/Laaksonen | 7-6,4-6,5-10 |
| Challenger Charlottesville MD | 2018/10/29 21:00 | Heliovaara/Laaksonen v Klahn/Smyczek | 6-2,7-6 |
| Challenger Fairfield MD | 2018/10/14 19:00 | Ratiwatana/Rungkat v Heliovaara/Laaksonen | 6-0,7-6 |
| Challenger Fairfield MD | 2018/10/13 19:00 | Galloway/Maytin v Heliovaara/Laaksonen | 5-7,4-6 |
| Challenger Fairfield MD | 2018/10/10 21:10 | Heliovaara/Laaksonen v Roelofse/Smith | 3-6,6-2,10-7 |