Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| 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 |
| UTR Pro Miki Women | 2023/02/19 02:54 | Honori Koyama v Kaho Oyama | 4-6,6-2,6-0 |
| UTR Pro Miki Women | 2023/02/18 08:37 | Kaili Demi Teso v Honori Koyama | 5-7,1-5 |
| UTR Pro Miki Women | 2023/02/19 00:30 | Kurumi Tamura v Kaede Tajima | 6-0,2-6,5-4 |
| UTR Pro Miki Women | 2023/02/18 06:16 | Kurumi Tamura v Suzuna Oigawa | 6-1,5-7,5-3 |
| UTR Pro Miki Women | 2023/02/16 00:30 | Himari Hayashi v Kurumi Tamura | 2-6,2-5 |
| UTR Pro Miki Women | 2023/02/14 05:30 | Honami Sodeyama v Kurumi Tamura | 6-3,5-7,6-3 |
| UTR Pro Miki Women | 2023/02/13 06:30 | Kurumi Tamura v Rioko Umekuni | 6-4,6-4 |
| UTR Pro Tennis Series Miki Women | 2022/12/18 02:00 | Kurumi Tamura v Ayaka Ozeki | 3-6,5-1 |
| UTR Pro Tennis Series Miki Women | 2022/12/17 00:30 | Kurumi Tamura v Riko Hiroshima | 6-4,7-5 |
| UTR Pro Tennis Series Miki Women | 2022/12/15 04:30 | Kurumi Tamura v Kaede Tajima | 6-2,5-2 |