| ITF W25 Irapuato | 2020/03/11 21:40 | Marcela Zacarias v Kristina Kucova | 3-6,2-6 |
| ITF W25 Irapuato | 2020/03/10 18:30 | Fernanda Contreras Gomez v Marcela Zacarias | 1-6,4-6 |
| WTA Monterrey | 2020/02/29 17:00 | Marcela Zacarias v Olga Govortsova | 0-6,5-7 |
| ITF W100 Nicholasville | 2020/02/12 16:45 | Marcela Zacarias v Caty McNally | 4-6,3-6 |
| ITF W100 Nicholasville | 2020/02/10 17:00 | Marcela Zacarias v Olivia Tjandramulia | 4-6,6-3,10-8 |
| ITF W100 Midland | 2020/02/05 15:00 | Marcela Zacarias v Francesca Di Lorenzo | 2-6,3-6 |
| WTA Newport Beach | 2020/01/27 20:45 | Sara Errani v Marcela Zacarias | 6-1,6-2 |
| ITF W15 Cancun | 2019/12/08 14:00 | Marcela Zacarias v Aubane Droguet | 6-2,6-3 |
| ITF W25 Irapuato | 2020/03/09 23:30 | Hanna Chang v Giuliana Olmos | 6-2,7-5 |
| 2020 Fed Cup | 2020/02/08 14:45 | Veronica Cepede Royg v Giuliana Olmos | 6-1,6-3 |
| 2020 Fed Cup | 2020/02/07 15:10 | Daniela Seguel v Giuliana Olmos | 6-2,6-4 |
| 2020 Fed Cup | 2020/02/06 14:10 | Giuliana Olmos v Romina Ccuno | 7-6,7-5 |
| 2020 Fed Cup | 2020/02/05 14:25 | Paula Ormaechea v Giuliana Olmos | 3-6,4-6 |
| ITF W25 Tucson | 2019/11/20 19:30 | Giuliana Olmos v Katie Volynets | 6-4,0-6,3-6 |
| WTA Houston | 2019/11/12 20:50 | Caroline Dolehide v Giuliana Olmos | 7-5,6-4 |
| WTA Houston | 2019/11/10 20:25 | Catherine Harrison v Giuliana Olmos | 4-6,3-6 |