| Billie Jean King Cup | 07/28 19:20 | - | De Santa Ana/Licht v Williford/Zamburek | CANC | |
| Billie Jean King Cup | 07/28 12:50 | - | Williford/Zamburek v R Gonzalez/Romero | 3-6,5-7 | |
| Billie Jean King Cup | 07/27 13:45 | 3 | Williford/Zamburek v Sanchez/Obando | 7-5,3-6,4-6 | |
| Billie Jean King Cup | 07/30 21:25 | 3 | Williford/Zamburek v Castedo/Z Melgar | CANC | |
| ITF W25 Santo Domingo WD | 06/12 17:40 | 29 | Bektas/Gleason v Williford/Zamburek | 7-5,6-4 | |
| ITF W25 Santo Domingo WD | 06/11 15:30 | 28 | Williford/Zamburek v Contreras Gomez/Fiquet | 6-2,3-6,10-6 | |
| ITF W25 Santo Domingo WD | 06/10 18:00 | 27 | Williford/Zamburek v Appel/Olivia Lincer | 6-3,5-7,10-8 | |
| ITF W25 Santo Domingo WD | 06/10 16:20 | 26 | Williford/Zamburek v Mandlik/Mateas | Walkover | |
| ITF W25 Santo Domingo WD | 06/01 19:55 | 26 | Alves/Martins v Williford/Zamburek | 6-2,6-4 | |
| 2019 Fed Cup | 04/16 18:25 | - | Galindo/Rivera Corado v Williford/Zamburek | CANC |