Martina Navratilova gives her verdict on Jannik Sinner and Carlos Alcaraz-like Joao Fonseca after Australian Open 1R heroics
The pick amongst those was a thunderous forehand in the third set. Joao Fonseca attacked the ball on the rise and fired a forehand down-the-line winner that clocked 181 kmph - the fastest winner at the Australian Open 2025. Speaking on the Tennis Channel, Martina Navratilova lauded the 18-year-old Brazilian.