Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF Women Kurume | 2018/05/15 03:50 | Erina Hayashi v Abigail Tere-Apisah | 1-6,2-6 |
| ITF Women Fukuoka | 2018/05/09 02:00 | Rika Fujiwara v Erina Hayashi | 6-4,6-4 |
| ITF Women Fukuoka Qual | 2018/05/08 01:00 | Tara Moore v Erina Hayashi | 6-7,6-2,6-3 |
| ITF Women Fukuoka Qual | 2018/05/07 03:55 | Yukina Saigo v Erina Hayashi | 4-6,5-7 |
| ITF Women Fukuoka Qual | 2018/05/06 07:00 | Haruna Sakamoto v Erina Hayashi | 1-6,2-6 |
| ITF Women Gifu Qual | 2018/04/30 01:00 | Hiroko Kuwata v Erina Hayashi | 6-2,7-6 |
| ITF Women Gifu Qual | 2018/04/29 04:40 | Emily Webley-Smith v Erina Hayashi | 4-6,6-4,4-6 |
| ITF Women Gifu Qual | 2018/04/29 01:00 | Dabin Kim v Erina Hayashi | 6-7,3-6 |
| ITF Women Hua Hin | 2018/05/07 09:45 | Zuzana Zlochova v Watsachol Sawasdee | 6-1,6-2 |
| ITF Women Hua Hin Qual | 2018/04/30 02:30 | Watsachol Sawasdee v Apichaya Runglerdkriangkrai | 2-6,6-3,6-7 |
| ITF Women Hua Hin Qual | 2018/04/29 07:30 | Watsachol Sawasdee v Hsin-Yuan Shih | 6-3,7-6 |
| ITF Women Cairo | 2017/11/28 07:30 | Haine Ogata v Watsachol Sawasdee | 6-1,6-2 |
| ITF Women Sharm El Sheikh | 2017/11/22 16:40 | Shalimar Talbi v Watsachol Sawasdee | 6-3,7-6 |
| ITF Women Sharm El Sheikh | 2017/11/20 14:00 | Watsachol Sawasdee v Katerina Tsygourova | 1-6,1-6 |
| ITF Women Sharm El Sheikh | 2017/11/13 14:00 | Karolina Kubanova v Watsachol Sawasdee | 1-6,6-1,7-5 |
| ITF Women Sharm El Sheikh | 2017/11/12 15:30 | Candace O Pedro v Watsachol Sawasdee | 2-6,0-6 |