Stadium: Court 4 Round: 54
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/11 17:00 | Douglas, Ellie v Goncalves, Paula Cristina | 0-6,2-6 |
| ITF Women Dothan Qual | 2018/04/15 22:00 | Mara Schmidt v Douglas, Ellie | 2-6,3-6 |
| ITF Women Pelham | 2018/04/11 16:45 | Perper, Alexandra v Douglas, Ellie | 6-2,7-5 |
| ITF Women Pelham Qual | 2018/04/10 15:00 | Ryngler, Alexa v Douglas, Ellie | 2-6,6-2,2-6 |
| ITF Women Pelham Qual | 2018/04/09 15:00 | Okuda, Akiko v Douglas, Ellie | 0-6,0-6 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Mulville, Allison v Douglas, Ellie | 2-6,0-6 |
| ITF Women Jackson Qual | 2018/04/02 16:30 | Catherine Harrison v Douglas, Ellie | 6-3,4-6,6-4 |
| ITF Women Jackson Qual | 2018/04/01 16:30 | Jerricka Boone v Douglas, Ellie | 0-6,0-6 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/14 20:30 | Arantxa Rus v Douglas, Ellie | 7-6,6-3 |
| ITF Women Dothan Qual | 2018/04/15 22:30 | Goncalves, Paula Cristina v Guarachi Mathison, Alexa | 7-6,7-6 |
| ITF Women Rancho Santa Fe | 2018/02/22 20:00 | Goncalves, Paula Cristina v Rodina, Evgeniya | 5-7,4-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/22 02:20 | Ianchuk, Olga v Goncalves, Paula Cristina | 6-1,6-7,4-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/20 18:15 | Ann Li v Goncalves, Paula Cristina | 7-6,0-6,4-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/19 17:30 | Goncalves, Paula Cristina v Hanna Chang | 6-3,4-6,6-4 |
| ITF Women Rancho Santa Fe Qual | 2018/02/18 17:30 | Goncalves, Paula Cristina v Chiang, Yuki Kristina | 6-1,6-1 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/13 17:30 | Goncalves, Paula Cristina v Maria Mateas | 5-7,5-7 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/12 17:00 | Valeriya Strakhova v Goncalves, Paula Cristina | 6-3,0-6,6-7 |