Stadium: Round: 62
| ITF Women Toowoomba | 2018/10/08 00:00 | Chihiro Muramatsu v Andjela Djokovic | 6-2,6-3 |
| ITF Women Brisbane | 2018/10/04 00:00 | Chihiro Muramatsu v Vivian Heisen | 3-6,6-4,5-7 |
| ITF Women Brisbane | 2018/10/03 02:50 | Moyuka Uchijima v Chihiro Muramatsu | 6-3,5-7,4-6 |
| ITF Women Brisbane | 2018/10/01 02:00 | Chihiro Muramatsu v Haruna Arakawa | 6-1,6-4 |
| ITF Women Brisbane | 2018/09/30 07:00 | Chihiro Muramatsu v Shelby Talcott | 6-3,6-2 |
| ITF Women Darwin | 2018/09/25 01:55 | Irina Ramialison v Chihiro Muramatsu | 6-2,6-4 |
| ITF Women Darwin | 2018/09/24 00:30 | Aiko Yoshitomi v Chihiro Muramatsu | 0-6,2-6 |
| ITF Women Darwin | 2018/09/23 03:15 | Lisa Mays v Chihiro Muramatsu | 6-1,4-6,3-6 |
| ITF Women Toowoomba | 2018/10/08 00:00 | Alexandra Osborne v Yuki Kristina Chiang | 6-0,7-5 |
| ITF Women Toowoomba | 2018/10/07 03:30 | Jessica Fowler v Alexandra Osborne | 1-6,2-6 |
| ITF Women Brisbane | 2018/09/30 05:00 | Gergana Topalova v Alexandra Osborne | 3-6,6-0,6-1 |
| ITF Women Darwin | 2018/09/24 02:15 | Marianna Zakarlyuk v Alexandra Osborne | 6-3,6-4 |
| ITF Women Darwin | 2018/09/23 05:05 | Alexandra Osborne v Sabastiani Leon | 6-3,6-2 |
| ITF Women Fort Worth Qual | 2018/07/30 17:00 | Andie K. Daniell v Alexandra Osborne | 6-3,6-0 |
| ITF Women Fort Worth Qual | 2018/07/29 14:00 | Alexandra Osborne v Jacqueline Payne | 6-2,6-4 |
| ITF Women Evansville | 2018/07/25 14:00 | Alexandra Osborne v Anna Baranovski | 2-6,2-6 |