Australian Open Round 1: Top Seeds Advance as Keys Begins Defense, Fonseca Falls and Portugal Celebrates Two Wins

Overview

• World No. 1s Carlos Alcaraz and Aryna Sabalenka opened with straight‑set victories; Alcaraz debuted coach Samuel López and next faces Yannick Hanfmann.
• Novak Djokovic dismissed Pedro Martínez in three sets to meet Francesco Maestrelli in round two, while Iga Swiatek battled past Yue Yuan to advance.
• Defending champion Madison Keys steadied after a shaky start to beat Oleksandra Oliynykova 7-6 (8/6), 6-1.
• Portugal’s Jaime Faria won his opener and Nuno Borges moved on after Félix Auger‑Aliassime retired injured; Borges draws Jordan Thompson next.
• Brazilian seed João Fonseca lost to Eliot Spizzirri 4-6, 6-2, 1-6, 2-6, as 45‑year‑old Venus Williams set the event age record before falling to Olga Danilovic.