Stadium: Court 1 Round: 44
| ITF Women Setubal Qual | 2018/07/08 13:00 | Williford, Kelly v So, Kumi | 2-6,6-7 |
| ITF Women Setubal Qual | 2018/07/07 09:30 | Oliveira, Marta v Williford, Kelly | 1-6,2-6 |
| ITF Women Corroios-Seixal | 2018/07/01 11:30 | Westby, Madison v Williford, Kelly | 6-3,6-1 |
| Fed Cup, Groupe Mondial | 2018/06/23 18:25 | Williford, Kelly v Smith Dias, Yusleydis | 3-6,5-7 |
| Fed Cup, Groupe Mondial | 2018/06/22 16:10 | Marcela Zacarias v Williford, Kelly | 6-4,6-1 |
| ITF Women Obidos Qual | 2018/06/04 09:30 | Williford, Kelly v Ekaterina Shalimova | 2-6,1-6 |
| ITF Women Obidos Qual | 2018/05/26 09:30 | Pelayo, Luisa v Williford, Kelly | 4-6,6-4,6-4 |
| ITF Women Oeiras | 2018/05/20 12:00 | Williford, Kelly v Adrover Gallego, Isabel | 4-6,5-7 |
| ITF Women Corroios-Seixal | 2018/07/08 15:00 | Bhunu, Valeria v Hourigan, Paige Mary | 4-6,3-6 |
| ITF Women Setubal Qual | 2018/07/08 09:00 | Murta, Ines v Hourigan, Paige Mary | 6-3,6-0 |
| ITF Women Setubal Qual | 2018/07/07 15:30 | Hourigan, Paige Mary v Neves, Beatriz | 6-0,6-0 |
| ITF Women Corroios-Seixal | 2018/07/07 11:00 | Hourigan, Paige Mary v AL Nabhani, Fatma | 6-4,7-5 |
| ITF Women Corroios-Seixal | 2018/07/06 11:00 | Hourigan, Paige Mary v Seone Mendez | 6-4,6-2 |
| ITF Women Corroios-Seixal | 2018/07/05 12:30 | Caroline Romeo v Hourigan, Paige Mary | 3-6,1-6 |
| ITF Women Corroios-Seixal | 2018/07/04 14:45 | Hourigan, Paige Mary v Olga Parres Azcoitia | 6-0,6-4 |
| ITF Women Corroios-Seixal | 2018/07/02 09:00 | Nadel, Nicole v Hourigan, Paige Mary | 3-6,1-6 |