Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Nonthaburi | 2020/02/02 02:30 | Natthapat Piwbangruk v Mai Minokoshi | 1-6,0-6 |
| ITF W25 Nonthaburi | 2020/01/26 03:50 | Natthapat Piwbangruk v Mananchaya Sawangkaew | 2-6,1-6 |
| ITF W15 Nonthaburi | 2019/12/04 02:25 | Ayaka Okuno v Natthapat Piwbangruk | 6-0,6-4 |
| ITF W15 Nonthaburi | 2019/11/24 09:25 | Natthapat Piwbangruk v Yu Shan | 4-6,3-6 |
| ITF W25 Hua Hin | 2019/11/11 03:35 | Ramu Ueda v Natthapat Piwbangruk | 6-1,6-2 |
| ITF W25 Hua Hin | 2019/11/04 03:00 | Haruna Arakawa v Natthapat Piwbangruk | 6-1,6-0 |
| ITF W15 Hua Hin | 2019/10/16 05:00 | Natthapat Piwbangruk v Mananchaya Sawangkaew | 0-6,0-6 |
| ITF W15 Hua Hin | 2019/10/09 06:25 | Punnin Kovapitukted v Natthapat Piwbangruk | 6-2,6-1 |