API Status: We're having issues on bet365 API prematch data. and working on it. Sorry for that.
| Billie Jean King Cup | 07/22 15:00 | 1 | Zulay Castaneda v Yeleidis Luzardo | 6-1,6-4 | |
| Billie Jean King Cup | 07/21 14:55 | 1 | Zulay Castaneda v Danna Nunez | 6-0,6-0 | |
| Billie Jean King Cup | 07/19 14:50 | 1 | Zulay Castaneda v Junmoke James | 6-3,6-3 | |
| Billie Jean King Cup | 07/18 14:50 | 1 | Daniela Aguilar v Zulay Castaneda | 0-6,1-6 | |
| Billie Jean King Cup | 07/17 15:00 | - | Zulay Castaneda v Malena Del Olmo | 6-4,6-0 | |
| Billie Jean King Cup | 06/25 16:10 | - | Zulay Castaneda v Sara V Cruz Bonilla | 2-6,6-3,6-4 | |
| Billie Jean King Cup | 06/24 16:25 | - | Mell E R Gonzalez v Zulay Castaneda | 6-1,6-0 | |
| Billie Jean King Cup | 06/23 17:10 | - | Yusleydis Smith Dias v Zulay Castaneda | 3-6,6-4,6-0 | |
| 2019 Fed Cup | 04/20 15:00 | - | Chloe Weekes v Zulay Castaneda | 0-6,1-6 | |
| 2019 Fed Cup | 04/18 15:00 | - | Paola C Vargas v Zulay Castaneda | 4-6,6-1,6-0 | |
| 2019 Fed Cup | 04/17 15:00 | - | Anastasia Iamachkine v Zulay Castaneda | 6-2,6-0 |