Stadium: Court 9 Round: 25
| ITF Women Luque | 2018/09/08 15:00 | Gatica, Barbara v Gabriela Ce | 6-7,2-6 |
| ITF Women Luque | 2018/09/07 15:35 | Gatica, Barbara v Piai, Eduarda | 7-6,6-7,7-5 |
| ITF Women Luque | 2018/09/06 18:30 | Gatica, Barbara v Julieta Lara Estable | 6-7,6-3,6-1 |
| ITF Women Luque | 2018/09/06 14:15 | Gatica, Barbara v Jazmin Ortenzi | 6-1,3-6,7-5 |
| ITF Women Luque | 2018/09/04 13:30 | Gatica, Barbara v Haley Giavara | 6-4,6-3 |
| ITF Women Asuncion | 2018/08/30 22:15 | Morales, Melissa v Gatica, Barbara | 6-1,6-1 |
| ITF Women Asuncion | 2018/08/29 22:50 | Doldan, Susan v Gatica, Barbara | 4-6,6-7 |
| ITF Women Asuncion | 2018/08/27 18:00 | Rebeca Pereira v Gatica, Barbara | 3-6,4-6 |
| ITF Women Hilton Head | 2018/09/28 14:00 | Rasheeda McAdoo v Gilchrist, Nadja | 7-5,4-6,6-3 |
| ITF Women Hilton Head | 2018/09/27 16:25 | Katrina Scott v Gilchrist, Nadja | 6-4,3-6,4-6 |
| ITF Women Hilton Head | 2018/09/25 14:30 | Lucia Martinez v Gilchrist, Nadja | 4-6,4-6 |
| ITF Women Lubbock | 2018/09/15 14:00 | Emily Fanning v Gilchrist, Nadja | 6-4,6-2 |
| ITF Women Granby Qual | 2018/07/23 14:00 | Gilchrist, Nadja v Nagi Hanatani | 5-7,1-6 |
| ITF Women Granby Qual | 2018/07/22 20:30 | Gilchrist, Nadja v Jessica Failla | 6-4,4-6,7-6 |
| ITF Women Granby Qual | 2018/07/21 14:05 | Burrage, Jodie Anna v Gilchrist, Nadja | 6-7,6-4,6-7 |
| ITF Women Gatineau | 2018/07/17 14:00 | Katherine Sebov v Gilchrist, Nadja | 4-6,6-4,6-2 |