Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/09 03:00 | Nirundorn, Mai Napatt v Patcharin Cheapchandej | 5-7,2-6 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/08/01 06:05 | Yuki Naito v Patcharin Cheapchandej | 2-6,6-4,6-4 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/31 02:30 | Punnin Kovapitukted v Patcharin Cheapchandej | 6-4,3-6,2-6 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/30 04:50 | Patcharin Cheapchandej v Bojana Marinkovic | 6-0,5-7,10-5 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/29 03:25 | Patcharin Cheapchandej v Palha, Natasha | 6-1,6-3 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/23 04:25 | Thamchaiwat, B. v Patcharin Cheapchandej | 3-6,6-1,10-7 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/22 06:35 | Lee, So-Ra v Patcharin Cheapchandej | 5-7,3-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/09 07:25 | Sakura Hosogi v Patcharin Cheapchandej | 6-3,7-5 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/09 03:00 | Ayumi Koshiishi v Mananchaya Sawangkaew | 6-2,6-3 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/05 05:30 | Ayumi Koshiishi v Michika Ozeki | 0-6,3-6 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/04 04:25 | Imanishi, Miharu v Ayumi Koshiishi | 3-6,4-6 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/02 04:00 | Ayumi Koshiishi v Kishigami, Utaka | 7-5,7-6 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/02 00:00 | Ayumi Koshiishi v Tan, Hx Isabella | 6-0,6-1 |
| ITF W25 Nanao | 2019/08/27 01:00 | Ayumi Koshiishi v Anri Nagata | 4-6,0-6 |
| Tsukuba, Singles W-ITF-JPN-13A | 2019/08/19 00:30 | Yui Chikaraishi v Ayumi Koshiishi | 2-6,6-2,10-7 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/30 02:30 | Yidi Yang v Ayumi Koshiishi | 6-0,6-2 |