Lake Nona, Florida, U.S. Last updated on: December 7, 2020. Kayla Day (born September 28, 1999) is an American professional tennis player. She has a career-high Women’s Tennis Association (WTA) ranking of No.
| Tournament | US Open |
|---|---|
| 2017 | 1R |
| 2018 | Q1 |
| 2019 | A |
| 2020 | A |