Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - Kofu W25 | 2023/03/28 05:30 | Eri Hozumi v Sayaka Ishii | 4-6,0-6 |
| ITF - Kofu W25 | 2023/03/28 00:30 | Britney Chiu v Sayaka Ishii | 2-6,0-6 |
| ITF - Kofu W25 | 2023/03/27 02:30 | Ayaka Ozeki v Sayaka Ishii | 3-6,0-6 |
| ITF - Boca Raton W25 | 2023/03/09 15:00 | Sayaka Ishii v Louisa Chirico | 4-6,4-6 |
| ITF - Boca Raton W25 | 2023/03/08 21:25 | Adrienn Nagy v Sayaka Ishii | 6-4,4-6,1-6 |
| ITF - Boca Raton W25 | 2023/03/07 14:30 | Christina Rosca v Sayaka Ishii | 3-6,4-6 |
| ITF - Boca Raton W25 | 2023/03/06 14:30 | Sayaka Ishii v Mana Ayukawa | 7-5,6-0 |
| ITF - Spring W25 | 2023/02/28 18:55 | Rhiann Newborn v Sayaka Ishii | 6-2,2-6,6-4 |
| ITF - Hinode W15 | 2023/03/23 04:10 | Moeka Miyata v Honoka Kobayashi | 6-2,7-6 |
| ITF - Hinode W15 | 2023/03/22 01:00 | Karen Tsutsumi v Honoka Kobayashi | 2-6,1-6 |
| ITF - Kuching W15 | 2023/03/01 09:05 | Meiqi Guo v Honoka Kobayashi | 6-2,6-3 |
| ITF - Sharm El Sheikh W15 | 2023/02/08 11:45 | Linda Klimovicova v Honoka Kobayashi | 6-0,3-6,6-1 |
| ITF - Sharm El Sheikh W15 | 2023/02/02 07:30 | Ho Ching Wu v Honoka Kobayashi | 6-1,6-1 |
| ITF - Sharm El Sheikh W15 | 2023/02/01 15:00 | Honoka Kobayashi v Anastasiya Apalikhina | 6-3,6-2 |
| ITF - Nonthaburi W40 - Kwalifikacje | 2023/01/08 07:30 | Honoka Kobayashi v Mayuka Aikawa | 1-6,4-6 |
| ITF - Nonthaburi W40 | 2023/01/01 08:20 | Yeon Woo Ku v Honoka Kobayashi | 6-4,6-2 |