Stadium: Court A Round: 25 Ground: Hardcourt outdoor
| Nonthaburi, Simples W-ITF-THA-06A | 2019/11/27 02:30 | Okuno, Ayaka v Nigina Abduraimova | 1-6,3-6 |
| ITF W25 Hua Hin | 2019/11/12 05:25 | Ueda, Ramu v Okuno, Ayaka | 6-1,6-3 |
| ITF W25 Hua Hin | 2019/11/11 03:55 | Laura Ashley v Okuno, Ayaka | 4-6,4-6 |
| ITF W25 Hua Hin | 2019/11/05 04:45 | Eudice Chong v Okuno, Ayaka | 6-7,6-2,12-10 |
| ITF W25 Hua Hin | 2019/11/04 08:15 | Okuno, Ayaka v Mei Yamaguchi | 7-5,6-1 |
| ITF W25 Hamamatsu | 2019/10/14 01:00 | Okuno, Ayaka v Shigeta, Mua | 3-6,5-7 |
| ITF W25 Makinohara | 2019/10/08 00:30 | Okuno, Ayaka v Koike, Satsuki | 5-7,6-3,6-10 |
| Anning, Singles W-ITF-CHN-22A | 2019/09/26 02:00 | Okuno, Ayaka v Wushuang Zheng | 2-6,1-6 |
| Nonthaburi, Simples W-ITF-THA-06A | 2019/11/24 09:25 | Piwbangruk, Natthapat v Yu Shan | 4-6,3-6 |
| ITF W25 Hua Hin | 2019/11/11 03:35 | Ueda, Ramu v Piwbangruk, Natthapat | 6-1,6-2 |
| ITF W25 Hua Hin | 2019/11/04 03:00 | Haruna Arakawa v Piwbangruk, Natthapat | 6-1,6-0 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/16 05:00 | Piwbangruk, Natthapat v Mananchaya Sawangkaew | 0-6,0-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/10/09 06:25 | Punnin Kovapitukted v Piwbangruk, Natthapat | 6-2,6-1 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/29 02:30 | Piwbangruk, Natthapat v Chen, Jiahui | 3-6,0-6 |
| Nonthaburi, Singles W-ITF-THA-01A | 2019/07/22 02:30 | Piwbangruk, Natthapat v Punnin Kovapitukted | 6-7,0-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/09 05:30 | Yadav, Mihika v Piwbangruk, Natthapat | 6-2,6-2 |