Stadium: Court 1 Round: 26 Ground: Clay
| ITF W15 Buenos Aires | 2019/09/10 15:00 | Samudio, Antonia v Piai, Eduarda | 1-6,4-6 |
| ITF W25 Guayaquil | 2019/08/21 20:30 | Marcela Zacarias v Piai, Eduarda | 6-4,6-4 |
| ITF W25 Guayaquil | 2019/08/19 17:10 | Piai, Eduarda v Laura Ashley | 6-2,6-2 |
| ITF W25 Guayaquil | 2019/08/14 15:00 | Renata Zarazua v Piai, Eduarda | 6-3,6-2 |
| ITF W15 Cancun | 2019/07/19 13:30 | Thaisa Grana Pedretti v Piai, Eduarda | 6-0,6-2 |
| ITF W15 Cancun | 2019/07/18 15:00 | Olivia Gram v Piai, Eduarda | 5-7,0-6 |
| ITF W15 Cancun | 2019/07/16 15:15 | Keren, Yuval v Piai, Eduarda | 3-6,2-6 |
| ITF W15 Cancun | 2019/07/10 14:45 | Piai, Eduarda v Ingrid Gamarra Martins | 5-7,3-6 |
| ITF W15 Buenos Aires | 2019/09/10 15:00 | Zelenka, Lucia v Maria Paulina Perez Garcia | 3-6,7-5,7-5 |
| ITF Women Buenos Aires | 2018/09/17 14:30 | Zelenka, Lucia v Julieta Lara Estable | 6-7,6-7 |
| ITF Women Asuncion | 2018/08/28 19:25 | Zelenka, Lucia v Gabriela Ce | 0-6,2-6 |
| ITF Women Cuneo | 2018/08/11 08:00 | Katerina Tsygourova v Zelenka, Lucia | 6-4,6-1 |
| ITF Women Sezze | 2018/08/05 15:00 | Katerina Tsygourova v Zelenka, Lucia | 6-0,6-2 |
| ITF Women Sezze | 2018/08/04 07:30 | Maelys Bougrat v Zelenka, Lucia | 1-6,6-4,4-6 |
| ITF Women Villa del Dique | 2018/04/25 15:10 | Thaisa Grana Pedretti v Zelenka, Lucia | 6-1,6-2 |
| ITF Women Villa del Dique | 2018/04/24 17:25 | Ana G Requena v Zelenka, Lucia | 6-7,5-7 |