stadio: Court 1 Round: 27 Ground: Synthetic outdoor
| ITF W25 Nanao | 2022/09/26 00:50 | Natsumi Kawaguchi v Sara Saito | 6-3,3-6,5-10 |
| ITF W60 Fukuoka | 2023/05/11 03:25 | Sara Saito v Pei-Chi Lee | 6-0,6-3 |
| ITF W60 Fukuoka | 2023/05/10 02:40 | Haruka Kaji v Sara Saito | 5-7,6-7 |
| ITF W60 Fukuoka | 2023/05/08 03:30 | Sara Saito v Ramu Ueda | 6-3,4-6,6-1 |
| ITF W80 Gifu | 2023/05/05 00:50 | Sara Saito v Ya-Hsuan Lee | 2-6,2-6 |
| ITF W80 Gifu | 2023/05/04 02:15 | Sara Saito v Mei Yamaguchi | 5-7,6-4,6-3 |
| ITF W80 Gifu | 2023/05/02 01:50 | Emina Bektas v Sara Saito | 4-6,3-6 |
| ITF W25 Osaka | 2023/04/11 01:00 | Haruka Kaji v Sara Saito | 6-0,6-3 |
| ITF W25 Kashiwa | 2023/04/06 04:00 | Sara Saito v Arina Rodionova | 5-7,7-5,2-6 |
| ITF W60 Fukuoka | 2023/05/11 01:00 | Natsumi Kawaguchi v Sakura Hosogi | 6-1,6-4 |
| ITF W60 Fukuoka | 2023/05/10 01:00 | Aoi Ito v Natsumi Kawaguchi | 4-6,5-7 |
| ITF W60 Fukuoka | 2023/05/08 04:25 | Natsumi Kawaguchi v Miho Kuramochi | 6-3,7-5 |
| ITF W80 Gifu | 2023/05/02 01:00 | Ayano Shimizu v Natsumi Kawaguchi | 6-1,6-3 |
| ITF W15 Osaka | 2023/04/23 02:00 | Miho Kuramochi v Natsumi Kawaguchi | 4-6,1-6 |
| ITF W15 Osaka | 2023/04/22 02:00 | Ayano Shimizu v Natsumi Kawaguchi | 5-7,4-6 |
| ITF W15 Osaka | 2023/04/21 01:00 | Ya-Hsuan Lee v Natsumi Kawaguchi | 3-6,2-6 |
| ITF W15 Osaka | 2023/04/20 05:30 | Natsumi Kawaguchi v Pei-Chi Lee | 6-0,7-5 |