Stadium: Quadra Central Round: 25 Ground: Clay
| ITF W60 Brasilia | 2021/11/23 15:45 | Martina Capurro Taborda v Emily Welker | 3-6,6-3,6-3 |
| ITF W60 Brasilia | 2021/11/22 13:20 | Noelia Zeballos v Emily Welker | 7-5,6-7,8-10 |
| ITF W60 Brasilia | 2021/11/21 16:00 | Elsa Wan v Emily Welker | 1-6,1-6 |
| ITF W15 Cundinamarca | 2021/11/19 14:30 | Emily Welker v Maria F Herazo Gonzalez | 0-6,6-7 |
| ITF W15 Cundinamarca | 2021/11/18 15:45 | Emily Welker v Jimenez Bustillo, Mariana | 6-0,6-1 |
| ITF W15 Cundinamarca | 2021/11/17 14:30 | Plazas, Jessica v Emily Welker | 3-6,5-7 |
| ITF W25 Aparecida De Goiania | 2021/11/10 12:00 | Carol Zhao v Emily Welker | 2-6,6-2,6-4 |
| ITF - W15 Sharm El Sheikh | 2021/10/20 11:05 | Emily Welker v Silvia Ambrosio | 6-1,0-6,3-6 |
| Olimpia, Singles Qualifying W-ITF-BRA-04A | 2020/03/12 13:00 | Piai, Eduarda v Andrea Lazaro Garcia | 5-7,2-6 |
| Olimpia, Singles Qualifying W-ITF-BRA-04A | 2020/03/10 13:00 | Piai, Eduarda v Leslie, Jaleesa | 6-7,6-4,6-1 |
| Rancho Santa Fe, Ca, Singles W-ITF-USA-05A | 2020/02/23 19:00 | Piai, Eduarda v Emina Bektas | 1-6,5-7 |
| ITF W15 Cancun | 2020/02/14 16:00 | Thaisa Grana Pedretti v Piai, Eduarda | 6-2,6-3 |
| ITF W15 Cancun | 2020/02/13 16:35 | Lauren Proctor v Piai, Eduarda | 2-6,6-3,3-6 |
| ITF W15 Cancun | 2020/02/11 16:00 | Piai, Eduarda v Kurata, Nathaly | 6-1,2-6,6-4 |
| ITF W15 Cancun | 2020/02/07 14:00 | Piai, Eduarda v Dasha Ivanova | 1-6,2-6 |
| ITF W15 Cancun | 2020/02/06 17:00 | Piai, Eduarda v Tilbuerger, Jantje | 6-2,6-7,6-0 |