Ground: Hardcourt outdoor
| ITF W35 Daegu | 2024/06/06 03:00 | Haruna Arakawa v Dayeon Back | 5-7,6-2,3-6 |
| ITF W50 Yokohama | 2024/11/28 02:35 | Natsumi Kawaguchi v Dayeon Back | 6-1,5-7,6-4 |
| ITF W50 Yokohama | 2024/11/27 08:25 | Ayano Shimizu v Dayeon Back | 4-6,6-1,1-6 |
| Billie Jean King Cup | 2024/11/16 08:00 | Zarina Diyas v Dayeon Back | 3-6,6-3,7-6 |
| ITF W35 Hamamatsu | 2024/11/08 02:00 | Aoi Ito v Dayeon Back | 6-1,6-0 |
| ITF W35 Hamamatsu | 2024/11/07 01:00 | Meiling Wang v Dayeon Back | 4-6,1-6 |
| ITF W35 Hamamatsu | 2024/11/06 01:00 | Kayo Nishimura v Dayeon Back | 4-6,3-6 |
| ITF W35 Makinohara | 2024/11/02 06:45 | Dayeon Back v Miho Kuramochi | 5-7,2-6 |
| ITF W35 Makinohara | 2024/11/01 00:30 | Kanako Morisaki v Dayeon Back | 3-6,4-6 |
| ITF W75 Rome | 2025/01/28 15:00 | Lisa Zaar v Haruna Arakawa | 6-2,6-7,6-4 |
| ITF W75 Rome | 2025/01/27 15:02 | Maria Kononova v Haruna Arakawa | 5-7,6-7 |
| ITF W75 Vero Beach | 2025/01/20 21:11 | Aliona Bolsova Zadoinov v Haruna Arakawa | 6-4,6-1 |
| ITF W35 Palm Coast | 2025/01/15 16:41 | Haruna Arakawa v Irina Maria Bara | 2-6,3-6 |
| ITF W35 Naples | 2025/01/08 16:30 | Haruna Arakawa v Katrina Scott | 1-6,1-6 |
| UTR Pro Boca Raton Women | 2025/01/04 20:30 | Haruna Arakawa v Ema Burgic Bucko | 6-2,2-6,4-6 |
| UTR Pro Boca Raton Women | 2025/01/03 15:00 | Haruna Arakawa v Mary Boyce Deatherage | 6-1,2-6,6-2 |
| UTR Pro Boca Raton Women | 2025/01/01 20:55 | Scarlett Nicholson v Haruna Arakawa | 2-6,1-6 |