Stadium: Court B Round: 25 Ground: Hardcourt outdoor
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/22 00:30 | Mana Ayukawa v Thamchaiwat, B. | 4-6,6-3,7-5 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/15 03:55 | Thamchaiwat, B. v Haruna Arakawa | 4-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/14 04:20 | Destanee Aiava v Thamchaiwat, B. | 0-6,6-4,4-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/08 03:30 | Stefkova, Barbora v Thamchaiwat, B. | 6-3,6-3 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/06 02:30 | Thamchaiwat, B. v Destanee Aiava | 1-6,6-3,6-0 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/16 03:50 | Thamchaiwat, B. v Rutuja Bhosale | 2-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/11 02:00 | Thamchaiwat, B. v Peangtarn Plipuech | 1-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/09 04:55 | Thamchaiwat, B. v Choi, Ji-Hee | 6-0,6-2 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/09/02 02:00 | Silakul, Chanikarn v Piwbangruk, Natthapat | 6-1,6-1 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/09/01 08:30 | Silakul, Chanikarn v Mar, Tricia | 4-6,6-0,6-3 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/30 02:00 | Silakul, Chanikarn v Lee, Hua-Chen | 3-6,1-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/29 02:00 | Zeel Desai v Silakul, Chanikarn | 4-6,3-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/28 02:00 | Silakul, Chanikarn v Natcharee Teerachodjiranon | 6-1,6-1 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/26 03:30 | Silakul, Chanikarn v I-Hsuan Cho | 6-2,6-7,7-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/25 05:30 | Silakul, Chanikarn v Sudsaard, Kanyanut | 6-0,6-1 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/13 04:45 | Rutuja Bhosale v Silakul, Chanikarn | 6-2,6-2 |