Stadium: Centre Court Round: 25 Ground: Clay
| WTA Montevideo | 2021/11/16 20:40 | Marina Bassols Ribera v Ana Sofia Sanchez | 6-1,3-6,6-2 |
| ITF W25 Aparecida De Goiania | 2021/11/13 13:00 | Ana Sofia Sanchez v Victoria Jimenez Kasintseva | 3-6,1-6 |
| ITF W25 Aparecida De Goiania | 2021/11/12 12:30 | Carol Zhao v Ana Sofia Sanchez | 6-4,4-6,1-6 |
| ITF W25 Aparecida De Goiania | 2021/11/11 12:00 | Thaisa Grana Pedretti v Ana Sofia Sanchez | 5-7,6-7 |
| ITF W25 Aparecida De Goiania | 2021/11/09 12:00 | Zoe Hitt v Ana Sofia Sanchez | 2-6,1-6 |
| WTA Buenos Aires | 2021/11/02 13:00 | Ana Sofia Sanchez v Victoria Jimenez Kasintseva | 3-6,3-6 |
| ITF W25 Kiryat Motzkin | 2021/10/27 07:00 | Shavit Kimchi v Ana Sofia Sanchez | 7-6,6-4 |
| ITF W25 Kiryat Motzkin | 2021/10/26 10:50 | Sarah Rebecca Sekulic v Ana Sofia Sanchez | 5-7,2-6 |
| ITF W60 Brasilia | 2021/11/22 11:00 | Katarina Jokic v Maria Lota Kaul | 6-7,7-5,10-4 |
| ITF W60 Brasilia | 2021/11/21 11:00 | Martina M Torrales Tebes v Maria Lota Kaul | 0-6,0-6 |
| ITF W15 Cundinamarca | 2021/11/18 14:30 | Hurricane Tyra Black v Maria Lota Kaul | 6-0,6-1 |
| ITF W15 Cundinamarca | 2021/11/17 14:30 | Maria Lota Kaul v Brittany Collens | 1-6,6-2,6-1 |
| ITF W25 Aparecida De Goiania | 2021/11/11 12:00 | Maria Lota Kaul v Carolina Alves | 2-6,4-6 |
| ITF W25 Aparecida De Goiania | 2021/11/09 14:10 | Maria Lota Kaul v Nathaly Kurata | 7-5,6-3 |
| ITF W25 Haabneeme | 2021/11/02 12:10 | Katie Swan v Maria Lota Kaul | 6-3,6-3 |
| ITF W25 Kiryat Motzkin | 2021/10/24 07:00 | Maria Lota Kaul v Dariia Monakhova | 7-5,2-6,9-11 |