Stadium: Court 1 Round: 25
| Orlando, Singles Qualifying W-WITF-USA-02A | 2018/01/17 18:55 | Usue Maitane Arconada v Whoriskey, Caitlin | 6-3,2-6,3-6 |
| ITF Women Sumter | 2018/06/14 15:30 | Ashley Lahey v Usue Maitane Arconada | 6-2,6-4 |
| ITF Women Sumter | 2018/06/13 15:40 | Graham, Alexa v Usue Maitane Arconada | 3-6,0-6 |
| ITF Women Bethany Beach | 2018/06/08 15:05 | Usue Maitane Arconada v Ashley Kratzer | 1-6,6-2,2-6 |
| ITF Women Bethany Beach | 2018/06/07 13:00 | Usue Maitane Arconada v Rodgers, Amanda | 6-2,6-1 |
| ITF Women Bethany Beach | 2018/06/06 14:35 | Usue Maitane Arconada v Marand, Sanaz | 6-2,6-1 |
| ITF Women Naples | 2018/05/29 17:35 | Jessica Pegula v Usue Maitane Arconada | 6-2,6-1 |
| ITF Women Osprey | 2018/05/27 21:30 | Khazaniuk, Deniz v Usue Maitane Arconada | 7-6,6-2 |
| ITF Women Osprey | 2018/05/25 13:00 | Stewart, Katerina v Usue Maitane Arconada | 7-6,6-7,4-6 |
| ITF Women Bethany Beach | 2018/06/06 14:40 | Whoriskey, Caitlin v Talcott, Shelby | 1-6,6-1,3-6 |
| ITF Women Naples | 2018/05/29 15:35 | Lorbergs, Genevieve v Whoriskey, Caitlin | 1-6,6-2,6-2 |
| ITF Women Osprey | 2018/05/24 13:00 | Whoriskey, Caitlin v Salma Ewing | 6-2,4-6,3-6 |
| ITF Women Osprey | 2018/05/23 19:10 | Fusinato, Francesca v Whoriskey, Caitlin | 6-7,2-6 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/11 17:00 | Whoriskey, Caitlin v Elbaba, Julia | 7-6,1-6,6-1 |
| ITF Women Midland Qual | 2018/01/28 15:00 | Katherine Sebov v Whoriskey, Caitlin | 4-6,7-5,7-6 |
| Orlando, Singles Qualifying W-WITF-USA-02A | 2018/01/19 17:00 | Anhelina Kalinina v Whoriskey, Caitlin | 6-2,5-7,6-3 |
| Orlando, Singles Qualifying W-WITF-USA-02A | 2018/01/18 16:00 | Whoriskey, Caitlin v Di Lorenzo, Francesca | 7-6,6-3 |