Stadium: Quadra 1 Round: 27 Ground: Clay
| ITF W15 Curitiba WD | 2021/11/30 21:55 | Lages/Ueno Dalmonico v Kaul/Welker | 0-6,1-6 |
| ITF W15 Cundinamarca WD | 2021/11/18 19:45 | Gonzalez/Perez Garcia v Kaul/Welker | 6-3,6-3 |
| ITF W15 Cundinamarca WD | 2021/11/16 18:20 | A Patino/Collens v Kaul/Welker | 4-6,3-6 |
| ITF W25 Aparecida De Goiania WD | 2021/11/11 16:30 | Capurro Taborda/Strakhova v Kaul/Welker | 6-3,7-6 |
| ITF W25 Aparecida De Goiania WD | 2021/11/10 16:30 | Da Cruz Mendonca/Kurata v Kaul/Welker | 2-6,3-6 |
| ITF W15 Sharm El Sheikh WD | 2021/10/22 11:30 | Shimizu/Wu v Kaul/Welker | 6-3,5-7,10-2 |
| ITF W15 Sharm El Sheikh WD | 2021/10/21 12:50 | Kaul/Welker v Ng/Tran | 6-3,6-2 |
| ITF W15 Sharm El Sheikh WD | 2021/10/19 11:00 | Kaul/Welker v Balasubramanian/Zhao | 6-2,7-5 |