Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF Women Hua Hin Qual | 2018/05/27 05:00 | Lorraine M. Guillermo v Chanikarn Silakul | 6-1,6-4 |
| ITF Women Hua Hin | 2018/05/11 02:30 | Bunyawi Thamchaiwat v Lorraine M. Guillermo | 7-6,6-3 |
| ITF Women Hua Hin | 2018/05/10 02:30 | Lorraine M. Guillermo v Tamachan Momkoonthod | 6-4,6-3 |
| ITF Women Hua Hin | 2018/05/09 04:20 | Lorraine M. Guillermo v Yuqi Sheng | 6-3,6-2 |
| ITF Women Hua Hin | 2018/05/07 08:10 | Lorraine M. Guillermo v Alexandra Walters | 6-1,6-1 |
| ITF Women Hua Hin | 2018/05/02 02:30 | Lorraine M. Guillermo v Shuyue Ma | 6-7,2-6 |
| ITF Women Hua Hin | 2018/05/01 02:30 | Lorraine M. Guillermo v Amy Zhu | 6-3,6-3 |
| ITF Women Dothan Qual | 2018/04/15 18:00 | Lorraine M. Guillermo v Quinn Gleason | 6-3,6-7,2-6 |
| ITF Women Hua Hin Qual | 2018/05/27 02:30 | Alexandra Cannizzaro v Tiffany William | 3-6,2-6 |
| ITF Women Les Franqueses Qual | 2018/05/19 08:30 | Tiffany William v Ana Bianca Mihaila | 1-6,6-2,5-7 |
| ITF Women Santa Margherita | 2018/04/23 13:00 | Valeria Solovyeva v Tiffany William | 3-6,6-2,6-1 |
| ITF Women Santa Margherita | 2018/04/22 12:00 | Sina Zuger v Tiffany William | 2-6,3-6 |
| ITF Women Santa Margherita Qual | 2018/04/16 14:40 | Lisa Matviyenko v Tiffany William | 6-2,6-3 |
| ITF Women Cairo | 2017/12/13 10:50 | Dominique Karregat v Tiffany William | 2-6,6-4,6-3 |
| ITF Women Cairo | 2017/12/11 08:30 | Tiffany William v Mariia Skuba | 6-4,6-2 |
| ITF Women Cairo | 2017/12/08 11:30 | Tiffany William v Andreea Amalia Rosca | 1-6,6-4,1-6 |