Stadium: Court 9 Round: 25 Ground: Clay
| ITF W25 - Medellin | 2021/09/18 17:05 | Thaisa Grana Pedretti v Emiliana Arango | 0-6,2-6 |
| ITF W25 - Medellin | 2021/09/17 18:00 | Jasmin Jebawy v Thaisa Grana Pedretti | 3-6,2-6 |
| ITF W25 - Medellin | 2021/09/16 16:20 | Rasheeda McAdoo v Thaisa Grana Pedretti | 6-4,4-6,2-6 |
| ITF W25 - Medellin | 2021/09/15 15:00 | Sabastiani Leon v Thaisa Grana Pedretti | 2-6,1-6 |
| ITF W15 - Ibague | 2021/09/11 16:30 | Thaisa Grana Pedretti v Maria Paulina Perez Garcia | 6-3,6-4 |
| ITF W15 - Ibague | 2021/09/10 15:00 | Thaisa Grana Pedretti v Rushri Wijesundera | 6-4,6-3 |
| ITF W15 - Ibague | 2021/09/09 16:00 | Thaisa Grana Pedretti v Ana Maria Becerra | 6-2,6-2 |
| ITF W15 - Ibague | 2021/09/08 16:00 | Thaisa Grana Pedretti v Vivian Mayumi Toma | 6-0,6-1 |