Stadium: Cancha 11 Round: 54 Ground: Clay
| ITF W15 La Paz | 2019/08/13 15:15 | Antonia Samudio v Julia Riera | 6-0,6-4 |
| ITF W25 Lima | 2021/10/06 15:00 | Noelia Zeballos v Julia Riera | 6-4,6-3 |
| ITF W25 Lima | 2021/10/04 15:00 | Julia Riera v Patricia Ku Flores | 6-1,6-0 |
| ITF W25 Vigo | 2021/08/25 16:50 | Jacqueline Cabaj Awad v Julia Riera | 6-0,6-2 |
| ITF W25 Vigo | 2021/08/24 10:00 | Lucia Martinez Gomez v Julia Riera | 4-6,2-6 |
| ITF W25 Vigo | 2021/08/23 12:30 | Nina Rudiukova v Julia Riera | 2-6,1-6 |
| ITF W25 Ourense | 2021/08/19 11:45 | Julia Riera v Jessica Failla | 2-6,2-6 |
| ITF W25 Ourense | 2021/08/17 08:00 | Julia Riera v Alicia Barnett | 6-3,3-6,6-3 |
| ITF W25 Ourense | 2021/08/16 10:00 | Chloe Noel v Julia Riera | 3-6,2-6 |
| ITF W25 Lima | 2021/10/06 15:00 | Antonia Samudio v Cagla Buyukakcay | 2-6,0-6 |
| ITF W25 Lima | 2021/10/04 15:00 | Antonia Samudio v Lucia Gonzales | 6-0,6-0 |
| ITF W25 Medellín | 2021/09/16 16:35 | Antonia Samudio v Emiliana Arango | 1-6,0-6 |
| ITF W25 Medellín | 2021/09/15 16:10 | Antonia Samudio v Nadia Echeverria Alam | 6-3,7-6 |
| ITF W15 Ibagué | 2021/09/10 15:00 | Antonia Samudio v Yuliana Lizarazo | 3-6,5-7 |
| ITF W15 Ibagué | 2021/09/09 16:00 | Antonia Samudio v Maria Camila Torres Murcia | 6-3,6-0 |
| ITF W15 Ibagué | 2021/09/07 16:30 | Antonia Samudio v Heydi Doldan | 6-1,6-2 |
| ITF W15 Monastir | 2021/08/25 15:45 | Noelia Zeballos v Antonia Samudio | 6-2,6-0 |