[1] She made her WTA Tour main-draw debut at the 2019 Dubai Tennis Championships, after receiving a wildcard into the doubles event, partnering Eden Silva.

[2] Grey made her singles WTA Tour debut as a qualifier at the 2021 Nottingham Open, losing in the first round to Leonie Küng.

[3] Grey was born in Liverpool and grew up in one of its suburbs, West Derby.

[4][5] In February 2022, Grey successfully underwent cardiac ablation surgery to correct a potentially dangerous abnormal heart rhythm.

Although standing at only 5ft 6, she describes her serve as her favourite shot and she enjoys playing on grass courts.