Stadium: Court 11 Round: 25
| ITF Women SJD Campos Qual | 2018/03/12 13:00 | Rebeca Pereira v Wolf Gasparin, Nathalia | 3-6,6-2,6-3 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/07 21:30 | Rebeca Pereira v Burger, Cindy | 4-6,4-6 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 12:00 | Rebeca Pereira v Baranano, Paula | 4-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Rebeca Pereira v Noelia Zeballos | 4-6,1-6 |
| ITF Women Santa Cruz | 2017/12/11 22:05 | Rebeca Pereira v Gatica, Barbara | 4-6,3-6 |
| ITF Women Cantanduva | 2017/12/02 12:00 | Rebeca Pereira v Madison Bourguignon | 6-2,4-6,3-6 |
| ITF Women Cantanduva | 2017/12/01 13:00 | Rebeca Pereira v Madison Bourguignon | 6-2,4-6,3-5 |
| ITF Women Cantanduva | 2017/11/29 14:00 | Rebeca Pereira v Julia Konishi Camargo Silva | 6-0,6-4 |
| ITF Women SJD Campos Qual | 2018/03/10 16:00 | Okuda, Akiko v Bosch, Maria Virginia | 6-2,6-0 |
| ITF Women Campinas Qual | 2018/03/05 13:00 | Lucero, Carla v Okuda, Akiko | 6-2,6-2 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Hudson, Althea v Okuda, Akiko | 0-6,0-6 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 12:00 | Okuda, Akiko v Giangreco Campiz, Camila | 2-6,6-3,4-6 |
| ITF Women Curitiba Qual | 2018/02/17 14:30 | Okuda, Akiko v Madison Bourguignon | 2-6,1-6 |
| ITF Women Petit-Bourg | 2018/01/15 16:10 | Okuda, Akiko v Kokeladze, Kamilla | 5-7,6-7 |
| ITF Women Fort-De-France | 2018/01/08 13:30 | Okuda, Akiko v Alana Smith | 3-6,2-6 |
| ITF Women Agadir | 2017/11/15 10:00 | Okuda, Akiko v Novac, Izabela Gabriela | 4-6,0-6 |