Stadium: Court 9 Round: 25
| ITF Women Cantanhede | 2018/10/16 12:00 | Lairon Navarro, Gemma v Baptista, Joana | 6-1,6-1 |
| ITF Women Porto Qual | 2018/07/22 10:30 | Suvrijn, Jade v Baptista, Joana | 6-1,6-1 |
| ITF Women Porto Qual | 2018/07/21 09:00 | Baptista, Joana v Pelayo, Luisa | 6-1,6-4 |
| Obidos, Singles W-WITF-POR-12A | 2018/06/05 11:20 | Amina Anshba v Baptista, Joana | 6-2,6-1 |
| ITF Women Obidos Qual | 2018/05/26 09:30 | Ochsner, Svenja v Baptista, Joana | 6-0,6-1 |
| ITF Women Oeiras | 2018/05/21 11:05 | Baptista, Joana v Silva, Daniella | 0-6,1-6 |
| ITF Women Oeiras | 2018/05/20 12:00 | Sara Lanca v Baptista, Joana | 6-0,0-6,3-6 |
| ITF Women Oeiras | 2018/05/19 12:00 | Baptista, Joana v Afifi, Syuzen | 6-3,6-2 |
| ITF Women Oeiras | 2018/05/20 12:00 | Beyebach Munoz, Eva v Campino, Mariana | 6-4,7-5 |
| ITF Women Obidos Qual | 2018/04/21 15:00 | Rosa Vicens Mas v Campino, Mariana | 6-1,6-0 |