| WTA Charleston | 04/01 20:45 | 14 | [280] Hailey Baptiste v Marcela Zacarias [196] | 6-2,6-1 | |
| WTA Charleston | 04/01 17:45 | 14 | Taylor Townsend v Marcela Zacarias | Cancelled | |
| WTA San Luis Potosí | 03/29 01:25 | 25 | [49] Elisabetta Cocciaretto v Marcela Zacarias [196] | 6-3,6-0 | |
| WTA Monterrey | 02/26 17:00 | 19 | [183] Caroline Dolehide v Marcela Zacarias [190] | 6-4,7-5 | |
| WTA Monterrey | 02/25 18:25 | 14 | [190] Marcela Zacarias v Andrea Gamiz [420] | 6-4,6-0 | |
| ITF W60 Irapuato | 02/19 00:10 | 28 | [208] Marcela Zacarias v Kamilla Rakhimova [114] | 6-7,6-7 | |
| ITF W60 Irapuato | 02/17 23:20 | 27 | [67] Xinyu Wang v Marcela Zacarias [208] | 4-6,6-7 | |
| ITF W60 Irapuato | 02/16 23:35 | 26 | [310] Justina Mikulskyte v Marcela Zacarias [208] | 4-6,0-6 | |
| ITF W60 Irapuato | 02/15 20:00 | 25 | Marcela Zacarias v Rebecca Peterson | Cancelled | |
| ITF W60 Irapuato | 02/15 19:55 | 25 | [208] Marcela Zacarias v Olivia Tjandramulia [438] | 7-5,7-5 | |
| ITF W60 Orlando | 02/09 15:30 | 26 | [157] Kimberly Birrell v Marcela Zacarias [212] | 6-1,6-4 | |
| ITF W60 Orlando | 02/07 20:00 | 25 | [212] Marcela Zacarias v Hina Inoue [366] | 7-6,6-1 | |
| ITF W60 Roma, GA | 02/03 17:40 | 27 | [209] Marcela Zacarias v Francesca Di Lorenzo [303] | 4-6,6-1,2-6 | |
| ITF W60 Roma, GA | 02/02 19:45 | 26 | Marcela Zacarias v Sara Daavettila | 6-2,7-5 | |
| ITF W60 Roma, GA | 01/31 19:30 | 25 | [209] Marcela Zacarias v Arianne Hartono [246] | 6-4,6-1 | |
| ITF W25 Orlando | 01/26 15:30 | 26 | [207] Marcela Zacarias v Gabriela Andrea Knutson [429] | 4-6,4-6 | |
| ITF W25 Orlando | 01/25 21:10 | 25 | Marcela Zacarias v Samantha Crawford | 6-4,6-2 | |
| Open de Australia - Femenino | 01/09 04:25 | 14 | [207] Marcela Zacarias v Mai Hontama [195] | 6-7,3-6 | |
| ITF W60 Camberra | 12/31 23:00 | 54 | [214] Alexandra Eala v Marcela Zacarias [207] | 6-3,7-6 | |
| WTA Montevideo | 11/23 17:00 | 25 | [231] Eva Vedder v Marcela Zacarias [198] | 2-6,6-3,6-4 | |
| WTA Montevideo | 11/23 16:00 | 25 | Leolia Jeanjean v Marcela Zacarias | Cancelled | |
| WTA Buenos Aires | 11/16 15:40 | 25 | [83] Panna Udvardy v Marcela Zacarias [197] | 6-2,6-0 | |
| Copa Billie Jean King | 11/12 21:00 | 64 | Marcela Zacarias v Olga Danilovic | Cancelled | |
| Copa Billie Jean King | 11/12 20:50 | 3 | [196] Marcela Zacarias v Natalija Stevanovic [211] | 6-0,6-4 | |
| Copa Billie Jean King | 11/12 01:25 | 64 | [196] Marcela Zacarias v Lola Radivojevic [349] | 5-7,6-3,6-2 | |
| ITF W80 Tyler | 10/26 22:20 | 25 | [206] Danielle Lao v Marcela Zacarias [159] | 1-6,6-4,7-5 | |
| ITF W60 Las Vegas | 10/15 20:10 | 28 | [209] Diana Shnaider v Marcela Zacarias [166] | 2-6,7-5,6-1 | |
| ITF W60 Las Vegas | 10/14 19:50 | 27 | [119] Katie Volynets v Marcela Zacarias [166] | 5-7,4-6 | |
| ITF W60 Las Vegas | 10/13 18:00 | 26 | [366] Adriana Reami v Marcela Zacarias [166] | 1-6,4-6 | |
| ITF W60 Las Vegas | 10/12 21:40 | 25 | [166] Marcela Zacarias v Katrina Scott [149] | 6-2,7-6 |