Stadium: Cancha 3 Round: 45 Ground: Clay
| ITF W15 Piracicaba | 2021/10/15 19:10 | Miriana Tona v Fernanda Astete | 6-1,6-1 |
| ITF W25 Rio do Sul | 2021/10/19 12:00 | Fernanda Astete v Barbara Gatica | 2-6,0-6 |
| ITF W15 Piracicaba | 2021/10/15 19:10 | Miriana Tona v Fernanda Astete | 6-1,6-1 |
| ITF W15 Piracicaba | 2021/10/14 13:30 | Ana Maria Coelho Ramos v Fernanda Astete | 1-6,0-6 |
| ITF W15 Piracicaba | 2021/10/12 22:55 | Fernanda Astete v Nathaly Kurata | 6-4,6-4 |
| ITF W25 Medellin | 2021/09/15 16:10 | Fernanda Astete v Mell E R Gonzalez | 5-7,4-6 |
| ITF W25 Medellin | 2021/09/14 15:00 | Fernanda Astete v Marian G P Cano | 6-0,6-2 |
| ITF W25 Medellin | 2021/09/13 17:30 | Gabriela Macias v Fernanda Astete | 1-6,1-6 |
| ITF W15 Ibague | 2021/09/09 18:00 | Fernanda Astete v Amy Zhu | 4-6,5-7 |
| ITF W25 Rio do Sul | 2021/10/20 12:00 | Katharina Gerlach v Miriana Tona | 6-4,6-1 |
| ITF W15 Piracicaba | 2021/10/17 13:30 | Luisa Meyer Auf Der Heide v Miriana Tona | 1-6,2-6 |
| ITF W15 Piracicaba | 2021/10/16 16:45 | Sabastiani Leon v Miriana Tona | 1-6,2-6 |
| ITF W15 Piracicaba | 2021/10/15 19:10 | Miriana Tona v Fernanda Astete | 6-1,6-1 |
| ITF W15 Piracicaba | 2021/10/14 22:40 | Miriana Tona v Ana Candiotto | 6-3,6-0 |
| ITF W15 Piracicaba | 2021/10/12 16:10 | Solana Sierra v Miriana Tona | 6-4,4-6,6-7 |
| ITF W25 Santa Margherita | 2019/09/16 12:00 | Giorgia Marchetti v Miriana Tona | 6-3,4-6,13-11 |
| ITF W15 Monastir | 2019/01/30 08:00 | Shou Na Mu v Miriana Tona | 3-6,6-3,6-1 |