Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Kofu | 2023/03/27 02:30 | Britney Chiu v Sera Nishimoto | 1-6,6-4,10-6 |
| ITF W15 Hinode | 2023/03/20 03:00 | Kanako Morisaki v Sera Nishimoto | 6-4,6-2 |
| UTR Pro Miki Women | 2023/02/18 05:54 | Sera Nishimoto v Himari Hayashi | 6-2,6-7,3-6 |
| UTR Pro Miki Women | 2023/02/17 06:11 | Kaho Oyama v Sera Nishimoto | 6-4,7-5 |
| UTR Pro Miki Women | 2023/02/16 05:00 | Kanon Sawashiro v Sera Nishimoto | 5-7,3-6 |
| UTR Pro Miki Women | 2023/02/14 08:37 | Tomoko Kato v Sera Nishimoto | 2-6,4-6 |
| UTR Pro Miki Women | 2023/02/13 00:30 | Sera Nishimoto v Kanna Soeda | 7-6,6-1 |
| ITF W60 Kyoto | 2022/12/19 06:00 | Sera Nishimoto v Suzuho Oshino | 6-2,3-6,4-10 |
| 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 | 2023/02/17 04:38 | Kaede Tajima v Honori Koyama | 6-3,3-6,6-3 |
| UTR Pro Miki Women | 2023/02/16 05:00 | Yuna Ohashi v Honori Koyama | 7-6,7-6 |
| UTR Pro Miki Women | 2023/02/13 02:33 | Hinata Chiba v Honori Koyama | 7-6,7-6 |
| ITF W25 Nanao | 2022/09/26 02:35 | Honori Koyama v Mua Shigeta | 3-6,4-6 |