Stadium: Round: 62
| 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 |
| WTA Tokyo | 2018/09/16 06:50 | Eugenie Bouchard v Chihiro Muramatsu | 6-1,2-6,7-5 |
| ITF Women Brisbane | 2018/09/30 06:30 | Kirijana Petreski v Andjela Djokovic | 1-6,2-6 |
| ITF Women Brisbane | 2018/09/30 05:30 | Andjela Djokovic v Nagi Hanatani | 1-6,4-6 |