Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF W40 Yokohama | 2023/11/28 02:05 | Rea Nakashima v Ikumi Yamazaki | 2-6,7-5,6-3 |
| ITF W40 Yokohama | 2023/11/27 07:55 | Yiming Dang v Ikumi Yamazaki | 1-6,1-6 |
| ITF W25 Perth | 2023/09/22 04:40 | Priscilla Hon v Ikumi Yamazaki | 6-1,4-6,6-3 |
| ITF W25 Perth | 2023/09/21 05:05 | Melisa Ercan v Ikumi Yamazaki | 6-7,6-2,2-6 |
| ITF W25 Perth | 2023/09/19 03:30 | Lisa Mays v Ikumi Yamazaki | 0-6,6-3,3-6 |
| ITF W25 Perth | 2023/09/12 02:00 | Mia Horvit v Ikumi Yamazaki | 6-2,6-2 |
| ITF W15 Nakhon Si Thammarat | 2023/07/11 02:00 | Carol Young Suh Lee v Ikumi Yamazaki | 4-6,6-3,6-0 |
| ITF W25 Nakhon Si Thammarat | 2023/07/05 02:00 | Shrivalli Rashmikaa Bhamidipaty v Ikumi Yamazaki | 6-0,6-2 |
| ITF W60 Gold Coast | 2023/11/30 01:30 | Dayeon Back v Miho Kuramochi | 5-7,3-6 |
| ITF W60 Gold Coast | 2023/11/29 02:30 | Seone Mendez v Dayeon Back | 3-6,3-6 |
| ITF W60 Gold Coast | 2023/11/27 00:00 | Dayeon Back v Elena Micic | 3-6,6-2,6-4 |
| ITF W60 Gold Coast | 2023/11/25 23:00 | Dayeon Back v Roisin Gilheany | 3-6,7-5,6-2 |
| ITF W60 Brisbane | 2023/11/21 01:35 | Dayeon Back v Lea Ma | 0-6,4-6 |
| ITF W60 Brisbane | 2023/11/19 05:10 | Dayeon Back v Alana Subasic | 4-6,6-2,6-3 |
| WTA Seoul | 2023/10/12 04:50 | Kimberly Birrell v Dayeon Back | 6-0,6-1 |
| WTA Seoul | 2023/10/10 06:10 | Dayeon Back v Jelena Ostapenko | 3-6,6-1,7-6 |