Australian Open: Sabalenka stumbles, Zverev wobbles as day one delivers drama

The Australian Open has commenced with top players Aryna Sabalenka and Alexander Zverev facing early challenges. The tournament saw record attendance on its opening day. Venus Williams made history as the oldest woman to compete. Carlos Alcaraz is set to begin his campaign to complete his Grand Slam collection. Several seeded players advanced smoothly, while some faced early exits.