The first Sunday at the Australian Open brought us its share of interesting and surprising results. Venus Williams lost a close one, Flavio Cobolli lost a not-so-close one, Carlos Alcaraz won without Juan Carlos Ferrero, a young American, Michael Zheng, stunned his countryman Seb Korda, and one of my dark horses, Marta Kostyuk, made an early exit.
Still, opening Sundays at the Slams are appetizers. The first main course, with a larger selection of matches, arrives on Monday. This is especially intriguing in Australia, where players are not just starting a Slam, they’re kicking off their 2026 campaigns in earnest.
👉 AO Expert Picks: Who will win the first Grand Slam of 2026?
New kits, new haircuts, new bodies, new coaches, new attitudes, maybe even a new stroke: We’ll get a first look at several big names on Monday in Melbourne (Sunday night in the States). Here are five things to watch for:

