| ITF Women Encarnacion | 2017/11/05 13:00 | Williford, Kelly v Molina Portela, Dolores | 6-7,6-3,6-7 |
| ITF Women Asuncion | 2017/10/31 19:40 | Kurata, Nathaly v Williford, Kelly | 6-1,6-0 |
| ITF Women Asuncion | 2017/10/29 13:00 | Williford, Kelly v Wu, Pamela | 7-6,6-3 |
| ITF Women Lambare | 2017/10/22 12:00 | Williford, Kelly v Vazquez, Maria Del Rosario | 6-7,6-3,2-6 |
| ITF Women Sumter | 2017/10/09 13:00 | Jarlskog, Ida v Williford, Kelly | 6-0,6-1 |
| ITF Women Sumter | 2017/10/07 13:00 | Williford, Kelly v Alessandra Crump | 6-0,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/09/28 15:50 | Caroline Romeo v Williford, Kelly | 3-6,6-2,6-1 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/09/27 15:50 | Arlinda Rushiti v Williford, Kelly | 2-6,4-6 |
| ITF Women Asuncion | 2017/10/30 18:35 | Tomita, Giovanna v Duarte Ramirez, Ximena Monserrath | 7-5,6-1 |
| ITF Women Lambare | 2017/10/24 14:20 | Correa, Mariana v Duarte Ramirez, Ximena Monserrath | 6-2,7-5 |