Stadium: Court 5 Round: 25 Ground: Clay
| ITF W15 Curitiba | 2023/05/16 13:00 | Alice Ghiraldi v Cecilia Costa | 3-6,1-6 |
| ITF W15 Curitiba | 2023/05/15 16:00 | Manuela Dejean v Cecilia Costa | 4-6,4-6 |
| ITF W60 Rio de Janeiro | 2022/11/29 12:20 | Cecilia Costa v Maria F Herazo Gonzalez | 0-6,1-6 |
| ITF W60 Rio de Janeiro | 2022/11/28 14:00 | Sofia Da Cruz Mendonca v Cecilia Costa | 7-5,3-6,6-10 |
| ITF W60 Rio de Janeiro | 2022/11/27 17:55 | Nicole R Serraglio v Cecilia Costa | 2-6,2-6 |
| ITF W15 Sao Paulo | 2022/05/10 14:25 | Tiziana Rossini v Cecilia Costa | 6-4,6-4 |
| ITF W15 Sao Paulo | 2022/05/09 13:00 | Nicolly Ferreira v Cecilia Costa | 6-7,1-6 |
| ITF W15 Curitiba | 2022/05/04 12:55 | Cecilia Costa v Fernanda Astete | 6-7,6-3,4-6 |
| ITF W15 Curitiba | 2023/05/16 13:00 | Luisa S D R Silvestre v Nicolly Ferreira | 6-4,6-3 |
| ITF W15 Curitiba | 2023/05/15 13:00 | Emma Van Poppel v Luisa S D R Silvestre | 6-7,5-7 |