On the court, Alcaraz seemed unfazed by the added attention from his haircut. He needed just over two hours to see off the towering, big-serving Opelka in Arthur Ashe Stadium and kick off his pursuit of a sixth grand slam title and second at the US Open.

There is nothing Carlos Alcaraz can do to make himself look bad. He has proven capable of making any style work on or off the court. Alcaraz is known for being the more lighthearted and playful player compared to the buttoned-up Jannik Sinner, against whom he is constantly compared.

Carlos Alcaraz has showed up at the U.S. Open for his first-round match with a shaved head. Alcaraz, who is seeded No. 2 at Flushing Meadows, caused a bit of a buzz with his buzz cut when he got to the tournament grounds before beating Reilly Opelka in straight sets at Arthur Ashe Stadium on Monday.