American golfer Jackson Suber takes an early lead at The Open (British Open) after the first round, shooting five under par. Multiple outlets report that Suber’s opening score places him atop the leaderboard, holding a one-shot advantage over the field. The reports focus on the early standings following the completion of round one, with Suber’s performance described as the key differentiator in the initial phase of the tournament. The outlets do not indicate any changes to the lead after the first round beyond the reported one-shot margin, and they do not provide additional details about the rest of the leaderboard or specific players immediately behind him. Overall, the consistent message across sources is that a relatively lesser-known American player leads The Open at this early point, carding a five-under round and edging ahead by one stroke as competitors begin the multi-round contest.