Stadium: Court 5 Round: 25 Ground: Clay
| ITF Women Bogota | 2018/12/02 14:00 | Sanchez, Arantxa v Maribella Zamarripa | 1-6,3-6 |
| ITF Women Mexico City | 2018/10/30 17:50 | Sanchez, Arantxa v Blakely, Audrey Ann | 2-6,6-7 |
| ITF Women Guayaquil | 2018/08/13 15:00 | Camila Romero v Sanchez, Arantxa | 6-1,6-0 |
| ITF Women Don Benito | 2018/07/15 16:00 | Morandais, Anne-Sophie v Sanchez, Arantxa | 6-2,6-1 |
| ITF Women Stuttgart Qual | 2018/06/25 13:20 | Irina Fetecau v Sanchez, Arantxa | 6-0,6-0 |
| ITF Women Montpellier Qual | 2018/06/16 14:00 | Sanchez, Arantxa v Rebeca Pereira | 2-6,4-6 |
| ITF Women Cucuta | 2017/11/07 20:15 | Maria F Herazo Gonzalez v Sanchez, Arantxa | 6-0,6-1 |
| ITF Women Pereira | 2017/10/30 15:50 | Mamalat, Anna v Sanchez, Arantxa | 6-1,6-0 |
| Campinas, Singles Qualifying W-ITF-BRA-03A | 2019/03/25 14:30 | Irene Burillo Escorihuela v Bueno, Marcela-Guimaraes | 6-0,6-1 |
| Sao Paulo, Singles W-ITF-BRA-01A | 2019/03/11 18:00 | Bueno, Marcela-Guimaraes v Maria F Herazo Gonzalez | 3-6,0-6 |
| ITF Women Nules | 2018/11/20 09:00 | Bueno, Marcela-Guimaraes v Dobrilova, Nikol | 0-6,0-6 |
| ITF Women Nules | 2018/11/17 11:00 | Bueno, Marcela-Guimaraes v Larrinaga, Naroa | 6-4,2-6,6-3 |
| ITF Women Castellon | 2018/11/11 10:30 | Bueno, Marcela-Guimaraes v Shepita, Anna | 6-0,3-6,4-6 |
| ITF Women Vinaros | 2018/11/04 10:30 | Garrigues Melendez, Lucia v Bueno, Marcela-Guimaraes | 6-4,4-6,6-4 |
| ITF Women Vinaros | 2018/11/03 10:30 | Bueno, Marcela-Guimaraes v Monlleo Sanchis, Ariane | 6-2,6-4 |
| ITF Women Lousada | 2018/10/28 12:00 | Bueno, Marcela-Guimaraes v Skachkova, Katsiaryna | 3-6,4-6 |