Stadium: Court 9 Round: 25 Ground: Clay
| ITF Women Mexico City | 2018/10/30 18:45 | Guillermina Naya v Raphaelle Lacasse | 4-6,7-5,3-6 |
| ITF Women Charleston | 2018/10/01 14:30 | Natasha Subhash v Guillermina Naya | 6-4,6-4 |
| ITF Women Hilton Head | 2018/09/25 14:30 | Guillermina Naya v Michaela Bayerlova | 6-1,2-6,5-7 |
| ITF Women Marbella | 2018/09/04 08:00 | Guillermina Naya v Victoria Mikhaylova | 1-6,3-6 |
| ITF Women Hammamet | 2018/03/15 10:55 | Julia Stamatova v Guillermina Naya | 6-3,7-5 |
| ITF Women Hammamet | 2018/03/13 12:00 | Guillermina Naya v Federica Arcidiacono | 4-6,6-3,6-3 |
| ITF Women Hammamet | 2018/03/07 11:25 | Guillermina Naya v Michele Alexandra Zmau | 0-6,0-6 |
| ITF Women Hammamet | 2018/02/28 11:45 | Nastassja Burnett v Guillermina Naya | 6-7,6-2,6-2 |
| ITF W25 Guayaquil | 2019/08/21 20:30 | Marcela Zacarias v Eduarda Piai | 6-4,6-4 |
| ITF W25 Guayaquil | 2019/08/19 17:10 | Eduarda Piai v Laura Ashley | 6-2,6-2 |
| ITF W25 Guayaquil | 2019/08/14 15:00 | Renata Zarazua v Eduarda Piai | 6-3,6-2 |
| ITF W15 Cancun | 2019/07/19 13:30 | Thaisa Grana Pedretti v Eduarda Piai | 6-0,6-2 |
| ITF W15 Cancun | 2019/07/18 15:00 | Olivia Gram v Eduarda Piai | 5-7,0-6 |
| ITF W15 Cancun | 2019/07/16 15:15 | Yuval Keren v Eduarda Piai | 3-6,2-6 |
| ITF W15 Cancun | 2019/07/10 14:45 | Eduarda Piai v Ingrid Gamarra Martins | 5-7,3-6 |
| ITF W15 Cancun | 2019/07/04 15:25 | Eduarda Piai v Maria Lourdes Carle | 3-6,1-6 |