Stadium: Cancha 1 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Cundinamarca | 2021/11/17 14:30 | Plazas, Jessica v Emily Welker | 3-6,5-7 |
| ITF W25 Guayaquil | 2021/10/27 14:55 | Jasmin Jebawy v Plazas, Jessica | 6-4,6-4 |
| ITF W25 Lima | 2021/10/11 17:00 | Katarina Jokic v Plazas, Jessica | 6-2,6-1 |
| ITF W25 Lima | 2021/10/05 17:10 | Romina Ccuno v Plazas, Jessica | 6-2,7-5 |
| ITF W25 Lima | 2021/10/04 16:00 | Plazas, Jessica v Caterina Salas | 6-3,6-2 |
| ITF W25 Medellin | 2021/09/16 16:40 | Alica Rusova v Plazas, Jessica | 6-4,6-1 |
| ITF W25 Medellin | 2021/09/14 16:10 | Plazas, Jessica v Doldan, Susan | 6-3,6-2 |
| ITF W15 Ibague | 2021/09/08 16:00 | Plazas, Jessica v Yuliana Lizarazo | 4-6,1-6 |