The world’s top-ranked golfer is a shot off the first-round lead on a day with sunlight, rain, breezes and strong gusts at Royal Portrush in Northern Ireland.

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Names with a few more majors to their credit lurked not far behind. Scottie Scheffler, despite having little experience with links golf, is just a single stroke back at -3, along with Matthew Jordan, Tyrrell Hatton and Sadom Kaewkanjana, an ordained monk who’s bringing a bit of serenity to his golf game.

PORTRUSH, Northern Ireland — Jacob Skov Olesen is a surprise co-leader of the 153rd British Open at Royal Portrush Golf Club. The 26-year-old Dane bogeyed 18 but signed for 4-under 67, a score matched by China's Haotong Li, England's Matt Fitzpatrick, South Africa's Christiaan Bezuidenhout and Harris English of the U.S.

Scheffler, the world’s No. 1 player who has not finished out of the top 10 in the last four months, a stretch that includes another major among three wins.

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.

A brief look at the first round of the British Open at Royal Portrush (all times EDT): AT THE TOP: Matt Fitzpatrick, Harris English, Jacob Skov Olesen, Christiaan Bezuidenhout and Li Haotong were tied at 4-under 67.