| ITF Women Auburn Qual | 2017/06/26 14:00 | Marcela Zacarias v Kelly Williford | 7-5,6-1 |
| ITF Women La Bisbal | 2018/05/17 09:00 | Kathinka Von Deichmann v Marcela Zacarias | 6-4,6-3 |
| ITF Women La Bisbal | 2018/05/15 07:30 | Yvonne Cavalle-Reimers v Marcela Zacarias | 1-6,6-3,3-6 |
| ITF Women La Bisbal Qual | 2018/05/13 15:50 | Yvonne Cavalle-Reimers v Marcela Zacarias | 6-2,6-7,6-4 |
| ITF Women La Bisbal Qual | 2018/05/12 12:00 | Carlota Iruela Descamps v Marcela Zacarias | 0-6,0-6 |
| ITF Women Monzon | 2018/05/09 09:30 | Eva Guerrero Alvarez v Marcela Zacarias | 2-6,6-3,7-5 |
| ITF Women Monzon | 2018/05/08 08:30 | Elixane Lechemia v Marcela Zacarias | 5-7,1-6 |
| WTA Monterrey Qual | 2018/03/31 18:35 | Jasmine Paolini v Marcela Zacarias | 6-2,2-6,6-1 |
| ITF Women Irapuato | 2018/03/14 01:35 | Marcela Zacarias v Ysaline Bonaventure | 0-6,4-6 |
| ITF Women Obidos Qual | 2018/06/04 09:30 | Kelly Williford v Ekaterina Shalimova | 2-6,1-6 |
| ITF Women Obidos Qual | 2018/05/26 09:30 | Luisa Pelayo v Kelly Williford | 4-6,6-4,6-4 |
| ITF Women Oeiras | 2018/05/20 12:00 | Kelly Williford v Isabel A Gallego | 4-6,5-7 |
| ITF Women Tiberias | 2018/05/15 07:00 | Kelly Williford v Yuval Keren | 2-6,1-6 |
| ITF Women Sajur | 2018/05/09 08:45 | Kelly Williford v Shelly Bereznyak | 2-6,2-6 |
| ITF Women Sajur | 2018/05/07 09:00 | Sean Lodzki v Kelly Williford | 6-4,4-6,3-6 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Kelly Williford v Kariann Pierre-Louis | 0-6,1-6 |
| ITF Women Jackson Qual | 2018/04/02 15:00 | Epiphany B. Turner v Kelly Williford | 6-3,7-6 |