Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| Challenger Tiburon MD | 2018/09/26 22:00 | Granollers/Vervoort v Matsui/Nielsen | 4-6,6-3,10-4 |
| Challenger Tiburon MD | 2018/09/27 18:00 | Granollers/Vervoort v Lawson/Reese | 6-4,6-7,8-10 |
| Challenger Tiburon MD | 2018/09/26 22:00 | Granollers/Vervoort v Matsui/Nielsen | 4-6,6-3,10-4 |
| Challenger Charlottesville MD | 2018/11/04 18:00 | Heliovaara/Laaksonen v Matsui/Nielsen | 6-3,6-4 |
| Challenger Charlottesville MD | 2018/11/02 15:00 | Matsui/Nielsen v Arevalo/Maytin | 1-6,6-4,10-6 |
| Challenger Charlottesville MD | 2018/11/01 17:50 | Aragone/Kozlov v Matsui/Nielsen | 6-7,1-6 |
| Challenger Fairfield MD | 2018/10/10 01:50 | Lawson/Reese v Matsui/Nielsen | 6-3,7-6 |
| Challenger Stockton MD | 2018/10/05 22:10 | Ratiwatana/Rungkat v Matsui/Nielsen | 5-7,6-1,10-8 |
| Challenger Stockton MD | 2018/10/04 21:10 | Matsui/Nielsen v El Sallaly/Goransson | 6-3,6-4 |
| Challenger Stockton MD | 2018/10/02 21:30 | Matsui/Nielsen v Huesler/Miedler | 7-6,6-2 |
| Challenger Tiburon MD | 2018/09/26 22:00 | Granollers/Vervoort v Matsui/Nielsen | 4-6,6-3,10-4 |