The Spaniard came away impressed by the Italian's poise as well as his game on Friday in Miami.
The 20-year-old American is growing in confidence after his run in Miami.
"That's a pity, and I hope it doesn't happen again," says second seed after squandered opportunity.
The Kazakh has a way with words, and he expressed himself well after his loss to Jannik Sinner in Miami.
The Japanese star had a shot to reach World No.1 in Miami, but those hopes ended with a loss to Maria Sakkari on Wednesday.
The Greek felt a bit lost on the court after the tough Australian Open quarantine. But now she's back in sizzling form.
Roger Federer has a new title: ambassador for Switzerland Tourism.