By surface
| Surface | Alex Castellanos Munuera | Ari Alkio |
|---|---|---|
| Hard | 0 | 3 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-03-18 | WTA | Miami | Round of 64 | Hard | Caroline Wozniacki | 4-6 | 4-6 | |||
| 2018-03-05 | WTA | Indian Wells | Round of 32 | Hard | Caroline Wozniacki | 4-6 | 6-2 | 3-6 | ||
| 2014-08-25 | WTA | US Open | Round of 64 | Hard | Caroline Wozniacki | 3-6 | 4-6 |