Stadium: SPARKS Round: 44
| ITF Women Setubal Qual | 2018/07/08 13:00 | Caroline Romeo v Keren, Yuval | 6-1,6-2 |
| ITF Women Corroios-Seixal | 2018/07/05 12:30 | Caroline Romeo v Hourigan, Paige Mary | 3-6,1-6 |
| ITF Women Corroios-Seixal | 2018/07/04 10:00 | Caroline Romeo v Francisca Jorge | 6-2,7-5 |
| ITF Women Guimaraes | 2018/06/27 10:00 | Caroline Romeo v Brouleau, Lou | 0-6,3-6 |
| ITF Women Amarante | 2018/06/21 09:00 | Caroline Romeo v Brouleau, Lou | 7-6,2-6,4-6 |
| ITF Women Amarante | 2018/06/20 10:35 | Caroline Romeo v Orlova, Natalia | 6-3,6-1 |
| ITF Women Villa del Dique | 2018/04/26 14:45 | Caroline Romeo v Gatica, Barbara | 4-6,2-6 |
| ITF Women Villa del Dique | 2018/04/25 14:10 | Caroline Romeo v Abrile, Valentina | 6-2,6-4 |
| ITF Women Setubal Qual | 2018/07/08 13:00 | Williford, Kelly v So, Kumi | 2-6,6-7 |
| ITF Women Corroios-Seixal | 2018/07/05 11:00 | Eden Silva v So, Kumi | 6-2,6-3 |
| ITF Women Corroios-Seixal | 2018/07/03 11:30 | Fayol, Clemence v So, Kumi | 6-2,4-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/10 08:00 | So, Kumi v Iryna Shymanovich | 4-6,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/05 11:00 | Gabueva, Angelina v So, Kumi | 6-2,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/04 08:00 | So, Kumi v Rutuja Bhosale | 6-2,6-2 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 02:30 | Harriet Dart v So, Kumi | 6-3,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/03 08:00 | So, Kumi v Gilchrist, Nadja | 1-6,3-6 |