Daniil Medvedev ripped 24 aces and converted six break points to outlast Kasidit Samrej in a 3-hour, 8-minute first-round victory Tuesday at the 2025 Australian Open. No. 9 Andrey Rublev was the latest upset victim.

In his first-ever Grand Slam match, Fonseca defeated World No. 9 Andrey Rublev in straight sets: 7-6 (1), 6-3, 7-6 (5). The match was evenly contested, but Fonseca was dominant with his power and agility.

Brazilian teenager Joao Fonseca began his Grand Slam career in spectacular fashion as the qualifier took down Russian ninth seed Andrey Rublev 7-6(1) 6-3 7-6(5) in the first round of the Australian Open on Tuesday.