Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Women Incheon Qual | 2018/05/13 03:30 | Eunhye Lee v Nicha Lertpitaksinchai | 7-6,3-6,6-3 |
| ITF Women Goyang Qual | 2018/05/07 01:30 | Nicha Lertpitaksinchai v Eunhye Lee | 3-6,2-6 |
| ITF Women Osaka | 2018/04/12 01:00 | Nicha Lertpitaksinchai v Xinyu Wang | 3-6,4-6 |
| ITF Women Osaka | 2018/04/10 05:45 | Yuna Saito v Nicha Lertpitaksinchai | 2-6,0-6 |
| ITF Women Osaka Qual | 2018/04/09 01:00 | Yuki Kristina Chiang v Nicha Lertpitaksinchai | 1-6,3-6 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Mami Hasegawa v Nicha Lertpitaksinchai | 6-2,6-7,4-6 |
| ITF Women Osaka Qual | 2018/04/07 04:00 | Nagisa Morimoto v Nicha Lertpitaksinchai | 0-6,3-6 |
| ITF Women Kashiwa Qual | 2018/04/01 00:30 | Nicha Lertpitaksinchai v Abigail Tere-Apisah | 3-6,2-6 |
| ITF Women Luan | 2018/05/11 03:00 | Harriet Dart v Karman Kaur Thandi | 2-6,6-2,6-3 |
| ITF Women Luan | 2018/05/10 03:55 | Yuxuan Zhang v Karman Kaur Thandi | 4-6,7-5,1-6 |
| ITF Women Luan | 2018/05/08 04:30 | Xu Liu Sun v Karman Kaur Thandi | 3-6,2-6 |
| ITF Women Osaka | 2018/04/11 01:00 | Makoto Ninomiya v Karman Kaur Thandi | 6-4,6-4 |
| ITF Women Kashiwa Qual | 2018/04/02 01:00 | Karman Kaur Thandi v Chihiro Muramatsu | 5-7,6-7 |
| ITF Women Kashiwa Qual | 2018/04/01 00:30 | Karman Kaur Thandi v Risa Ushijima | 6-3,6-1 |
| ITF Women Kofu | 2018/03/30 03:05 | Bianca Andreescu v Karman Kaur Thandi | 6-2,6-3 |
| ITF Women Kofu | 2018/03/29 02:50 | Karman Kaur Thandi v Julia Wachaczyk | 7-5,7-5 |