Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Fort Worth | 2021/09/20 14:00 | Amy Zhu v Kelly Williford | 4-6,6-3,10-2 |
| UTR Pro Tennis Series Manzanillo Women | 2021/08/22 18:00 | Kelly Williford v Vanesa Suarez | 3-6,1-6 |
| UTR Pro Tennis Series Manzanillo Women | 2021/08/21 12:00 | Kelly Williford v Thelma Sepulveda | 6-1,5-0 |
| UTR Pro Tennis Series Manzanillo Women | 2021/08/20 14:00 | Jessica Hinojosa Gomez v Kelly Williford | 7-5,6-4 |
| UTR Pro Tennis Series Manzanillo Women | 2021/08/19 13:00 | Dyane Barcena v Kelly Williford | 6-3,3-6,2-6 |
| UTR Pro Tennis Series Manzanillo Women | 2021/08/17 14:00 | Amelie Montalvo v Kelly Williford | 1-6,0-6 |
| UTR Pro Tennis Series Manzanillo Women | 2021/08/16 15:30 | Kelly Williford v Barbara Martinez | 7-6,6-0 |
| ITF W25 Evansville | 2021/07/13 15:50 | Carmen Corley v Kelly Williford | 6-7,6-2,10-7 |
| ITF W15 Lubbock | 2021/09/26 15:00 | Mercedes Aristegui v Magdalini Adaloglou | 6-7,6-0,11-9 |
| ITF W25 Fort Worth | 2021/09/23 14:00 | Alexa Graham v Mercedes Aristegui | 6-1,6-0 |
| ITF W25 Fort Worth | 2021/09/22 18:00 | Mercedes Aristegui v Rasheeda McAdoo | 6-3,6-1 |
| ITF W60 Vitoria-Gasteiz | 2021/07/14 12:40 | Lesley Pattinama Kerkhove v Mercedes Aristegui | 6-3,6-0 |
| ITF W25 Vitoria-Gasteiz | 2019/07/23 08:45 | Oksana Selekhmeteva v Mercedes Aristegui | 6-1,6-2 |
| ITF W25 Vitoria-Gasteiz | 2019/07/22 10:00 | Andrea Martinez v Mercedes Aristegui | 4-6,7-5,8-10 |
| ITF W80 Biarritz | 2019/07/15 08:00 | Mercedes Aristegui v Manon Arcangioli | 1-6,6-2,2-10 |
| ITF W25 Getxo | 2019/07/09 18:25 | Mercedes Aristegui v Despina Papamichail | 2-6,0-6 |