Stadium: Court Estadio Round: 25 Ground: Hardcourt outdoor
| Metepec, Singles W-ITF-MEX-24A | 2019/10/15 15:00 | Mar, Tricia v Martinez Hernandez, Maria Fernanda | 1-6,1-6 |
| ITF W15 Lambare | 2019/08/23 15:55 | Mar, Tricia v Gonzalez, Montserrat | 2-6,2-6 |
| ITF W15 Lambare | 2019/08/22 17:45 | Mar, Tricia v Tami-Masi, Sarah | 7-6,6-7,6-4 |
| ITF W15 Cancun | 2019/07/30 16:10 | Dijkman, Dewi v Mar, Tricia | 6-1,7-5 |
| Shreveport, Singles Qualifying W-ITF-USA-19A | 2019/06/25 19:00 | Mar, Tricia v Chieh-Yu Hsu | 3-6,0-6 |
| Orlando, Singles Qualifying W-ITF-USA-27A | 2019/06/19 13:00 | Mar, Tricia v Giorgie Jones | 3-6,0-6 |
| Wesley Chapel, Singles Qualifying W-ITF-USA-26A | 2019/06/13 14:35 | Anna Rogers v Mar, Tricia | 6-0,6-1 |
| Wesley Chapel, Singles Qualifying W-ITF-USA-26A | 2019/06/11 14:45 | Mar, Tricia v Reimchen, Anastasia | 7-6,6-4 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/18 16:00 | Williford, Kelly v Lee, Sarah | 2-6,5-7 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/17 20:40 | Williford, Kelly v Anttila, Alexandra | 6-3,7-6 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/15 16:15 | Williford, Kelly v Loretz, Paulina | 6-2,6-0 |
| ITF W15 Norman | 2019/10/01 15:00 | Williford, Kelly v Chavatipon, Charlotte | 1-6,3-6 |
| ITF W25 Guayaquil | 2019/08/19 18:15 | Williford, Kelly v Joksovic, Doroteja | 5-7,0-6 |
| ITF W25 Guayaquil | 2019/08/12 19:00 | Williford, Kelly v Yuliana Monroy | 1-6,1-6 |
| ITF W15 Cancun | 2019/07/09 13:30 | Williford, Kelly v Emma Lene | 5-7,2-6 |
| ITF W15 Cancun | 2019/07/04 15:35 | Valdes, Rianna v Williford, Kelly | 6-2,0-6,7-5 |