Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| UTR Pro Miki Women | 2023/02/17 06:11 | Kaho Oyama v Sera Nishimoto | 6-4,7-5 |
| ITF W15 Kashiwa | 2023/06/05 01:00 | Nagomi Higashitani v Sera Nishimoto | 6-0,6-2 |
| ITF W15 Fukui | 2023/04/24 01:00 | Sera Nishimoto v Honori Koyama | 4-6,2-6 |
| 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 |
| ITF W15 Kashiwa | 2023/06/05 01:00 | Shiho Shibata v Kaho Oyama | 6-7,6-4,10-7 |
| ITF W25 Incheon | 2023/05/14 01:00 | Kaho Oyama v Hee Rae Im | 4-6,1-6 |
| ITF W15 Fukui | 2023/04/24 02:00 | Kaho Oyama v Nagomi Higashitani | 0-6,1-6 |
| ITF W25 Osaka | 2023/04/10 01:00 | Kaho Oyama v Chieh-Yu Hsu | 5-7,3-6 |
| ITF W25 Osaka | 2023/04/09 01:00 | Jamie Lau v Kaho Oyama | 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 00:30 | Catholine Miyu Ono v Kaho Oyama | 6-4,5-7,3-6 |
| UTR Pro Miki Women | 2023/02/17 06:11 | Kaho Oyama v Sera Nishimoto | 6-4,7-5 |