Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| Hong Kong, Simples W-ITF-HKG-01B | 2023/06/28 02:00 | Kyoka Okamura v Yang, Ya-Yi | 3-6,3-6 |
| ITF W25 Tainan | 2023/06/25 02:00 | Yang, Ya-Yi v Lee, Pei-Chei | 6-2,6-1 |
| ITF W25 Tainan | 2023/06/24 02:00 | Yi Tsen Cho v Yang, Ya-Yi | 1-6,6-4,5-7 |
| ITF W25 Tainan | 2023/06/23 01:55 | Ayano Shimizu v Yang, Ya-Yi | 5-7,0-6 |
| ITF W25 Tainan | 2023/06/22 01:50 | Monique Barry v Yang, Ya-Yi | 6-1,3-6,4-6 |
| ITF W25 Tainan | 2023/06/21 02:00 | Stephanie Judith Visscher v Yang, Ya-Yi | 3-6,4-6 |
| ITF W25 Tainan | 2023/06/18 01:55 | Yang, Ya-Yi v Ya-Hsuan Lee | 6-3,6-1 |
| ITF W25 Tainan | 2023/06/17 02:00 | Yang, Ya-Yi v Irina Fetecau | 6-0,6-2 |
| Hong Kong, Simples W-ITF-HKG-01B | 2023/06/27 04:45 | Monique Barry v Natsumi Kawaguchi | 2-6,1-6 |
| ITF W25 Tokyo | 2023/06/01 00:50 | Natsumi Kawaguchi v Aoi Ito | 0-6,3-6 |
| ITF W25 Tokyo | 2023/05/31 02:55 | Natsumi Kawaguchi v Nana Kawagishi | 6-3,6-2 |
| Karuizawa, Singles W-ITF-JPN-12A | 2023/05/26 02:10 | Natsumi Kawaguchi v Johanne C Svendsen | 6-4,3-6,1-6 |
| Karuizawa, Singles W-ITF-JPN-12A | 2023/05/24 04:35 | Rinon Okuwaki v Natsumi Kawaguchi | 0-6,4-6 |
| Kurume, Singles W-ITF-JPN-11A | 2023/05/17 01:00 | Natsumi Kawaguchi v Eri Shimizu | 3-6,4-6 |
| Fukuoka, Singles W-ITF-JPN-10A | 2023/05/13 04:15 | Natsumi Kawaguchi v Carol Zhao | 6-1,7-6 |
| Fukuoka, Singles W-ITF-JPN-10A | 2023/05/12 03:35 | Sara Saito v Natsumi Kawaguchi | 6-1,6-7,6-7 |