"She's hungry, very ambitious and she thinks big, which I love."
"It's her head really, her composure, she has great instinct, she's not scared to take a risk, pull the trigger when she needs to," Nigel Sears tells BBC Sport.
"I just think she's very, very complete considering how little she's played, how raw her experience is."
Aged 18, waiting for her A-Level results, she has cemented her position as a rising star in British tennis, reaching the last 16 of her debut Grand Slam, her victories over top-50 players Marketa Vondrousova and Sorana Cirstea - which Sears described as "stunning.