By surface
| Surface | Garbine Muguruza | Kayla Day |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-07-31 | WTA | Stanford | Round of 16 | Hard | Garbine Muguruza | 6-2 | 6-0 | |||
| 2017-03-06 | WTA | Indian Wells | Round of 32 | Hard | Garbine Muguruza | 3-6 | 7-5 | 6-2 |