Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF - Osaka W35 | 2024/04/11 03:15 | Maddison Inglis v Sayaka Ishii | 7-6,4-6,4-6 |
| ITF - Kashiwa W50 | 2024/04/05 05:30 | Arianne Hartono v Sayaka Ishii | 5-7,6-2,6-4 |
| ITF - Kashiwa W50 | 2024/04/04 01:35 | Naho Sato v Sayaka Ishii | 4-6,3-6 |
| ITF - Kashiwa W50 | 2024/04/03 07:10 | Sayaka Ishii v Talia Gibson | 7-6,2-6,6-4 |
| ITF - Kashiwa W50 | 2024/03/31 01:00 | Moeka Miyata v Sayaka Ishii | 1-6,2-6 |
| WTA Miami | 2024/03/17 15:00 | Bernarda Pera v Sayaka Ishii | 6-0,6-4 |
| ITF - Traralgon W35 | 2024/02/28 01:55 | Jia-Jing Lu v Sayaka Ishii | 6-2,6-4 |
| ITF - Traralgon W35 | 2024/02/23 00:00 | Sayaka Ishii v Naho Sato | 4-6,1-6 |
| ITF - Osaka W35 | 2024/04/11 01:00 | Ya-Hsuan Lee v Sara Saito | 4-6,7-6,7-6 |
| ITF - Osaka W35 | 2024/04/10 04:00 | Ya-Hsuan Lee v Miyu Nakashima | 6-3,6-1 |
| ITF - Kashiwa W50 | 2024/04/07 01:55 | Sijia Wei v Ya-Hsuan Lee | 6-1,7-5 |
| ITF - Kashiwa W50 | 2024/04/06 01:05 | Ena Shibahara v Ya-Hsuan Lee | 6-7,3-6 |
| ITF - Kashiwa W50 | 2024/04/05 03:15 | Ya-Hsuan Lee v Sofia Costoulas | 6-1,6-2 |
| ITF - Kashiwa W50 | 2024/04/04 01:30 | Ya-Hsuan Lee v Chihiro Muramatsu | 6-4,6-3 |
| ITF - Kashiwa W50 | 2024/04/02 03:25 | Ankita Raina v Ya-Hsuan Lee | 6-7,6-4,6-7 |
| ITF - Kofu W50 | 2024/03/31 02:00 | Ya-Hsuan Lee v Catherine Harrison | 7-6,1-6,1-6 |