Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF Women Bendigo | 2018/10/23 23:00 | Tomic, Sara v Wallace, Isabelle | 4-6,3-6 |
| ITF Women Riba-Roja De Turia | 2018/10/11 09:30 | Wallace, Isabelle v Marie Benoit | 4-6,1-6 |
| ITF Women Riba-Roja De Turia | 2018/10/09 08:00 | Andrea Gamiz v Wallace, Isabelle | 4-6,1-6 |
| ITF Women Valencia | 2018/09/26 13:20 | Jasmine Paolini v Wallace, Isabelle | 6-3,6-0 |
| ITF Women Valencia | 2018/09/24 17:30 | Wallace, Isabelle v Saez Larra, Olga | 6-3,4-6,6-4 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/05 07:00 | Valeriya Strakhova v Wallace, Isabelle | 6-2,6-3 |
| ITF Women Bagnatica | 2018/08/28 08:50 | Wallace, Isabelle v Jessica Pieri | 6-4,4-6,0-6 |
| ITF Women LPD Gran Canaria | 2018/08/13 14:30 | Wallace, Isabelle v Sanesi, Gaia | 3-6,3-6 |
| ITF Women Bendigo | 2018/10/23 23:00 | Myers, Abbie v Rogowska, Olivia | 3-6,2-6 |
| ITF Women Toowoomba | 2018/10/11 03:30 | Rogowska, Olivia v Chihiro Muramatsu | 5-7,7-6,1-6 |
| ITF Women Brisbane | 2018/10/05 01:40 | Rogowska, Olivia v Kimberly Birrell | 4-6,3-6 |
| ITF Women Brisbane | 2018/10/04 03:00 | Rogowska, Olivia v Gabriella Da Silva Fick | 7-5,6-4 |
| ITF Women Brisbane | 2018/10/03 02:45 | Rogowska, Olivia v Tere-Apisah, Abigail | 6-4,6-3 |
| ITF Women Darwin | 2018/09/28 01:00 | Rogowska, Olivia v Kimberly Birrell | 6-7,3-6 |
| ITF Women Darwin | 2018/09/27 05:00 | Rogowska, Olivia v Brescia, Georgia | 6-3,6-2 |
| ITF Women Darwin | 2018/09/25 03:35 | Rogowska, Olivia v Olivia Tjandramulia | 6-4,6-1 |