Stadium: Court 4 Round: 54
| 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 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/11 17:00 | Douglas, Ellie v Goncalves, Paula Cristina | 0-6,2-6 |
| ITF Women Pelham | 2018/04/14 15:00 | Guarachi Mathison, Alexa v Allie Kiick | 4-6,3-6 |
| ITF Women Pelham | 2018/04/13 16:00 | Guarachi Mathison, Alexa v Maria Mateas | 6-3,6-2 |
| ITF Women Pelham | 2018/04/12 17:55 | Guarachi Mathison, Alexa v Perper, Alexandra | 6-1,6-1 |
| ITF Women Pelham | 2018/04/11 16:50 | Anhelina Kalinina v Guarachi Mathison, Alexa | 7-6,3-6,6-7 |
| Jackson, Singles W-WITF-USA-09A | 2018/04/04 18:45 | Guarachi Mathison, Alexa v Allie Kiick | 6-2,3-6,6-7 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/17 22:00 | Marie Bouzkova v Guarachi Mathison, Alexa | 6-4,6-2 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/16 20:30 | Guarachi Mathison, Alexa v Ysaline Bonaventure | 4-6,6-3,6-1 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/15 20:00 | Cako, Jacqueline v Guarachi Mathison, Alexa | 6-7,4-6 |