Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF W15 Kawaguchi | 2023/06/13 00:00 | Honori Koyama v Honami Sodeyama | 6-1,6-4 |
| ITF W15 Kashiwa | 2023/06/05 01:00 | Honori Koyama v Kurumi Tamura | 6-7,3-6 |
| ITF W25 Karuizawa | 2023/05/22 00:30 | Honori Koyama v Ai Yamaguchi | 3-6,4-6 |
| ITF W15 Fukui | 2023/04/26 06:50 | Honori Koyama v Rinon Okuwaki | 2-6,2-6 |
| ITF W15 Fukui | 2023/04/25 01:00 | Britney Chiu v Honori Koyama | 2-6,3-6 |
| ITF W15 Fukui | 2023/04/24 01:00 | Sera Nishimoto v Honori Koyama | 4-6,2-6 |
| ITF W25 Osaka | 2023/04/10 01:00 | Eri Shimizu v Honori Koyama | 7-5,6-0 |
| ITF W15 Hinode | 2023/03/21 01:00 | Chisato Kanemaki v Honori Koyama | 2-6,1-6 |
| ITF W15 Kashiwa | 2023/06/08 00:50 | Riko Kikawada v Lisa-Marie Rioux | 1-6,4-6 |
| ITF W15 Kashiwa | 2023/06/06 01:00 | Riko Kikawada v Kurea Hayasaka | 7-6,1-6,6-4 |
| ITF W25 Tokyo | 2023/05/28 01:00 | Chia Yi Tsao v Riko Kikawada | 6-2,4-6,10-5 |
| ITF W25 Karuizawa | 2023/05/22 00:30 | Riko Kikawada v Kyoka Kubo | 4-6,3-6 |
| ITF W15 Fukui | 2023/04/25 01:00 | Kisa Yoshioka v Riko Kikawada | 6-3,6-1 |
| ITF W15 Hinode | 2023/03/20 01:00 | Riko Kikawada v Reece Viola Hamilton | 6-0,6-0 |
| ITF W25 Antalya | 2023/01/29 07:30 | Riko Kikawada v Ana G Requena | 2-6,1-6 |
| ITF W15 Antalya | 2023/01/23 08:30 | Melis Ayda Uyar v Riko Kikawada | 4-6,6-3,10-4 |