M. Keys leads the head-to-head 3-0 since 2018 against K. Muchova, over 3 matches.
| Surface | M. Keys | K. Muchova |
|---|---|---|
| Grass | 1 | 0 |
| Hard | 2 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 18, 2026 | M. Keys | 2 - 0 | Berlin · 1/8-finals · grass |
| Aug. 3, 2025 | M. Keys | 2 - 1 | Montreal · 1/8-finals · hard |
| Sept. 30, 2019 | M. Keys | 2 - 0 | Beijing · 1/32-finals · hard |