Another bogey-free round belonged to 44-year-old Justin Rose, in the group at 69 that included 52-year-old Lee Westwood, former Open champion Brian Harman and Lucas Glover, who was tied for the lead until a pair of bogeys early on the back nine.

HOME HERO: Rory McIlroy of Northern Ireland made a late birdie for a 70 and was three shots behind. The last time he played the British Open at Royal Portrush, he made an 8 on the first hole, shot 79 and wound up missing the cut.

The British Open on Thursday at Royal Portrush ended with a five-way tie atop the leaderboard. Here are highlights and scores from the first round.

Rory McIlroy shot 1 under Thursday at Royal Portrush, a better start than the first time he played the British Open at the Northern Ireland course near home.

How many golfers make the cut at The Open Championship? Here's what to know about the cut line rules for the British Open.

Of the 20 LIV golfers in the field at the 2025 British Open, Phil Mickelson turned in perhaps the most surprising first round.

British Open's purse and the payout for the top 10 places. The schedule for the tournament and the previous winners.