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.

Carlos 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.

Another year, another exciting, dramatic and unpredictable U.S. Open underway, with its championship games quickly approaching. The 145th annual tournament is taking place at the USTA Billie Jean King National Tennis Center in Flushing,