Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF Women Canberra | 2018/10/29 00:30 | Giorgie Jones v Haruna Arakawa | 4-6,2-6 |
| ITF Women Canberra | 2018/10/28 03:00 | Ashleigh Simes v Haruna Arakawa | 0-6,0-6 |
| ITF Women Bendigo | 2018/10/22 00:20 | Gergana Topalova v Haruna Arakawa | 7-5,1-6,7-5 |
| ITF Women Bendigo | 2018/10/21 04:20 | Alicia Smith v Haruna Arakawa | 5-7,3-6 |
| ITF Women Hamamatsu | 2018/10/18 04:25 | Haruna Arakawa v Mana Ayukawa | 5-7,6-7 |
| ITF Women Hamamatsu | 2018/10/16 01:00 | Yui Saito v Haruna Arakawa | 4-6,2-6 |
| ITF Women Makinohara | 2018/10/11 03:50 | Haruna Arakawa v Shiho Akita | 1-6,4-6 |
| ITF Women Makinohara | 2018/10/09 00:30 | Haruna Arakawa v Honoka Uchiyama | 6-0,6-1 |
| ITF Women Navi Mumbai | 2018/12/22 10:30 | Diana Marcinkevica v Barbara Haas | 6-0,3-6,5-7 |
| ITF Women Navi Mumbai | 2018/12/21 12:30 | Mahak Jain v Barbara Haas | 4-6,6-3,3-6 |
| ITF Women Navi Mumbai | 2018/12/20 10:30 | Katarzyna Kawa v Barbara Haas | 4-6,6-2,3-6 |
| ITF Women Navi Mumbai | 2018/12/19 13:30 | Naho Sato v Barbara Haas | 4-6,2-6 |
| ITF Women Navi Mumbai | 2018/12/18 11:20 | Mihika Yadav v Barbara Haas | 2-6,7-5,4-6 |
| WTA Taipei | 2018/11/14 05:40 | Barbara Haas v En Shuo Liang | 6-3,0-6,3-6 |
| ITF Women Shrewsbury | 2018/11/08 13:50 | Barbara Haas v Maia Lumsden | 5-7,0-6 |
| ITF Women Shrewsbury | 2018/11/06 16:10 | Barbara Haas v Harmony Tan | 3-6,6-2,6-1 |