| UTR Pro Tennis Series - Californien - Kvinder | 07/13 16:00 | - | [298] Hanna Chang v Marcela Zacarias [257] | 6-1,7-5 | |
| ITF W25 - Irapuato | 03/11 21:40 | 26 | [257] Marcela Zacarias v Kristina Kucova [171] | 3-6,2-6 | |
| ITF W25 - Irapuato | 03/10 18:30 | 25 | [459] Fernanda Contreras Gomez v Marcela Zacarias [257] | 1-6,4-6 | |
| WTA - Monterrey | 02/29 17:00 | 45 | [256] Marcela Zacarias v Olga Govortsova [142] | 0-6,5-7 | |
| ITF W100 - Nicholasville | 02/12 16:45 | 25 | [257] Marcela Zacarias v Caty McNally [119] | 4-6,3-6 | |
| ITF W100 - Nicholasville | 02/11 17:00 | 54 | [257] Marcela Zacarias v Shilin Xu [297] | Retired | |
| ITF W100 - Nicholasville | 02/10 17:00 | 54 | [257] Marcela Zacarias v Olivia Tjandramulia [435] | 4-6,6-3,10-8 | |
| ITF W100 - Midland | 02/05 15:00 | 25 | [256] Marcela Zacarias v Francesca Di Lorenzo [118] | 2-6,3-6 | |
| WTA - Newport Beach | 01/27 20:45 | 24 | [191] Sara Errani v Marcela Zacarias [264] | 6-1,6-2 | |
| ITF W15 - Cancun | 12/08 14:00 | 29 | Marcela Zacarias v Aubane Droguet | 6-2,6-3 | |
| ITF W15 - Cancun | 12/07 14:00 | 28 | Marcela Zacarias v Natsumi Kawaguchi | 6-2,7-5 | |
| ITF W15 - Cancun | 12/06 15:00 | 27 | Marcela Zacarias v Gabriella Price | 6-4,6-1 | |
| ITF W15 - Cancun | 12/05 15:00 | 26 | Marcela Zacarias v Lilian Poling | 6-4,6-1 | |
| ITF W15 - Cancun | 12/04 18:30 | 25 | Marcela Zacarias v Fernanda C Huerta | 6-0,6-0 | |
| ITF W25 - Tucson | 11/24 20:00 | 29 | [301] Marcela Zacarias v Hailey Baptiste [269] | 6-4,4-6,3-6 | |
| ITF W25 - Tucson | 11/23 21:00 | 28 | [301] Marcela Zacarias v Olivia Tjandramulia [462] | Retired | |
| ITF W25 - Tucson | 11/23 18:00 | 27 | Valentina Ivanov v Marcela Zacarias | Walkover | |
| ITF W25 - Tucson | 11/23 00:35 | 26 | Naomi Cheong v Marcela Zacarias | 4-6,4-6 | |
| ITF W25 - Tucson | 11/21 18:00 | 25 | Ellie Douglas v Marcela Zacarias | 1-6,1-6 | |
| ITF W60 - Las Vegas | 11/06 21:15 | 25 | [306] Marcela Zacarias v Mandy Minella [137] | 4-6,1-6 | |
| ITF W60 - Las Vegas | 11/05 16:50 | 54 | Marcela Zacarias v Angelina Gabueva | 6-4,6-2 | |
| ITF W60 - Las Vegas | 11/04 21:25 | 54 | Marcela Zacarias v Naomi Cheong | 6-2,6-0 | |
| ITF W80 - Tyler | 11/02 16:00 | 28 | [423] Alexa Glatch v Marcela Zacarias [395] | 5-7,6-4,6-2 | |
| ITF W80 - Tyler | 11/01 20:35 | 27 | [395] Marcela Zacarias v Coco Vandeweghe [387] | Retired | |
| ITF W80 - Tyler | 11/01 16:00 | 26 | Katharine Fahey v Marcela Zacarias | 5-7,6-3,3-6 | |
| ITF W80 - Tyler | 10/31 15:00 | 25 | Marcela Zacarias v Sophia Whittle | 6-4,6-4 | |
| ITF W80 - Tyler | 10/29 17:35 | 54 | [365] Kayla Day v Marcela Zacarias [395] | 2-6,3-6 | |
| ITF W80 - Tyler | 10/28 20:10 | 54 | Liga Dekmeijere v Marcela Zacarias | 2-6,4-6 | |
| ITF W25 - Dallas | 10/26 15:00 | 28 | [189] Anhelina Kalinina v Marcela Zacarias [395] | 6-2,6-2 | |
| ITF W25 - Dallas | 10/25 16:00 | 27 | Marcela Zacarias v Tori Kinard | 4-6,6-3,6-0 |