Stadium: Court B Round: 44 Ground: Hardcourt outdoor
| ITF Women Hua Hin Qual | 2018/06/02 03:00 | Sowjanya Bavisetti v Natthapat Piwbangruk | 6-2,6-0 |
| ITF Women Hua Hin Qual | 2018/05/26 02:30 | Natthapat Piwbangruk v Irawan Deewajee | 1-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Ramona Mataruga v Natthapat Piwbangruk | 6-2,6-0 |
| ITF Women Nonthaburi | 2017/10/10 02:00 | Chanikarn Silakul v Natthapat Piwbangruk | 6-2,6-3 |
| ITF Women Nonthaburi Qual | 2017/10/09 02:00 | Corina Mader v Natthapat Piwbangruk | 6-4,6-1 |
| ITF Women Nonthaburi | 2017/10/02 09:15 | Natthapat Piwbangruk v Ling Zhang | 1-6,0-6 |
| ITF Women Hua Hin Qual | 2017/09/23 04:15 | Natthapat Piwbangruk v Ange Oby Kajuru | 2-6,0-6 |
| ITF Women Hua Hin Qual | 2017/09/17 06:05 | Natthapat Piwbangruk v Emma Hurst | 5-7,0-6 |
| ITF Women Evansville | 2018/07/23 15:00 | Vivian Mayumi Toma v Mayuka Aikawa | 1-6,0-6 |
| ITF Women Victoria | 2018/06/18 20:00 | Vivian Mayumi Toma v Brynn Boren | 0-6,1-6 |
| ITF Women Osprey Qual | 2018/05/22 14:00 | Hailey Baptiste v Vivian Mayumi Toma | 6-0,6-0 |
| ITF Women Osprey Qual | 2018/05/21 14:00 | Vivian Mayumi Toma v Charity Johns | 7-5,6-4 |
| ITF Women Tacarigua | 2018/05/08 14:00 | Akilah James v Vivian Mayumi Toma | 6-3,6-0 |
| ITF Women Khimki Qual | 2018/04/28 14:25 | Vivian Mayumi Toma v Ksenia Palkina | 1-6,1-6 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Vivian Mayumi Toma v Catherine Leduc | 0-6,0-6 |
| ITF Women Jackson Qual | 2018/04/01 18:00 | Iga Swiatek v Vivian Mayumi Toma | 6-0,6-0 |