Stadium: Centre Court Round: 27
| ITF Women Colina | 2018/11/07 23:00 | Francesca Jones v Alexa Guarachi | 4-6,7-5,2-6 |
| ITF Women Colina | 2018/11/05 15:35 | Eduarda Piai v Alexa Guarachi | 4-6,1-6 |
| ITF Women Macon | 2018/10/24 14:00 | Marie Bouzkova v Alexa Guarachi | 7-5,6-2 |
| WTA Chicago | 2018/09/02 15:00 | Alexa Guarachi v Tereza Martincova | 4-6,0-6 |
| ITF Women Vancouver Qual | 2018/08/12 21:30 | Misaki Doi v Alexa Guarachi | 6-1,7-6 |
| WTA Washington Qual | 2018/07/29 20:35 | Harriet Dart v Alexa Guarachi | 6-2,6-2 |
| WTA Washington Qual | 2018/07/28 17:25 | Alexa Guarachi v Francesca Di Lorenzo | 2-6,7-5,7-5 |
| WTA Gstaad Qual | 2018/07/15 09:00 | Conny Perrin v Alexa Guarachi | 6-4,6-0 |
| ITF Women Colina | 2018/11/07 15:35 | Quinn Gleason v Paula Ormaechea | 6-1,0-6,3-6 |
| ITF Women Colina | 2018/11/05 15:35 | Vanda Lukacs v Paula Ormaechea | 2-6,1-6 |
| ITF Women Seville | 2018/10/19 09:00 | Basak Eraydin v Paula Ormaechea | 7-6,6-4 |
| ITF Women Seville | 2018/10/17 09:00 | Eva Guerrero Alvarez v Paula Ormaechea | 3-6,6-2,6-7 |
| ITF Women Seville | 2018/10/16 11:00 | Irene Burillo Escorihuela v Paula Ormaechea | 1-6,0-6 |
| ITF Women Valencia | 2018/09/28 09:00 | Paula Ormaechea v Aliona Bolsova Zadoinov | 4-6,4-6 |
| ITF Women Valencia | 2018/09/27 09:00 | Georgina Garcia-Perez v Paula Ormaechea | 2-6,5-7 |
| ITF Women Valencia | 2018/09/26 09:00 | Paula Ormaechea v Marie Benoit | 7-5,6-2 |