Wyndham Clark posts the lowest opening-round score in U.S. Open history at Shinnecock Hills, taking the early lead in the tournament. Both outlets report that Clark’s first-round performance is a new benchmark for opening play at the course and across U.S. Open history. The reports describe Clark as finishing with a score that tops all prior opening rounds recorded in the event’s history, giving him a clear position at the top after the first day. While additional details such as exact shot counts, margins over the field, and his performance on specific holes are not included in the provided excerpts, the consistent core point across sources is that Clark’s opening round is record-setting and places him in front heading into the next rounds. The articles frame the achievement as a notable early development in the championship at Shinnecock Hills, where competition remains ongoing beyond the opening day.