L. Fernandez and K. Boulter are level 2-2 in their head-to-head since 2018 over 4 matches.
| Surface | L. Fernandez | K. Boulter |
|---|---|---|
| Grass | 1 | 1 |
| Other | 0 | 1 |
| Hard | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 21, 2026 | L. Fernandez | 2 - 1 | Bad Homburg · 1/16-finals · grass |
| June 9, 2026 | K. Boulter | 2 - 1 | London · 1/16-finals · grass |
| Nov. 17, 2024 | K. Boulter | 2 - 0 | WTA Billie Jean King Cup - World Group |
| July 30, 2023 | L. Fernandez | 2 - 0 | WTA Washington · Final · hard |