Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/11 13:00 | Maria Jose Portillo Ramirez v Peyton Stearns | 7-6,7-6 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/10 13:00 | Maria Jose Portillo Ramirez v Broadus, Savannah | 1-6,6-4,6-4 |
| ITF Women Bethany Beach Qual | 2018/06/05 13:00 | Maria Jose Portillo Ramirez v Elysia Bolton | 6-7,3-6 |
| ITF Women Tacarigua | 2018/05/12 15:00 | Maria Jose Portillo Ramirez v Villarreal, Andrea Renee | 6-2,6-2 |
| ITF Women Tacarigua | 2018/05/11 17:00 | Maria Jose Portillo Ramirez v Csilla Fodor | 6-7,6-0,7-6 |
| ITF Women Tacarigua | 2018/05/10 15:00 | Emily Appleton v Maria Jose Portillo Ramirez | 4-6,4-6 |
| ITF Women Tacarigua | 2018/05/09 18:30 | Maria Jose Portillo Ramirez v Leduc, Catherine | 6-4,6-2 |
| ITF Women Tacarigua | 2018/05/07 14:00 | Maria Jose Portillo Ramirez v Wijesundera, Rushri | 6-2,7-6 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/11 13:00 | Pielet, Gianna v Victoria Hu | 7-6,6-0 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/10 13:00 | Johns, Charity v Pielet, Gianna | 0-6,1-6 |
| ITF Women Bethany Beach Qual | 2018/06/04 14:00 | Pielet, Gianna v Amy Zhu | 6-7,3-6 |
| Naples, Qualifications Simples W-WITF-USA-15A | 2018/05/27 14:00 | Pielet, Gianna v Lorbergs, Genevieve | 4-6,3-6 |
| ITF Women Osprey Qual | 2018/05/22 13:00 | Pielet, Gianna v Villarreal, Andrea Renee | 2-6,4-6 |
| Tampa, Singles Qualifying W-WITF-USA-08A | 2018/03/13 14:00 | Pielet, Gianna v Fusinato, Francesca | 5-7,1-6 |
| Tampa, Singles Qualifying W-WITF-USA-08A | 2018/03/12 18:30 | Robinson, Alicia v Pielet, Gianna | 1-6,4-6 |
| ITF Women Norman Qual | 2017/11/13 17:00 | Pielet, Gianna v Raveena Kingsley | 2-6,2-6 |