The 1998 Senior British Open was a professional golf tournament for players aged 50 and above and the 12th British Senior Open Championship, held from 6 to 9 August at Royal Portrush Golf Club in Portrush, County Antrim, Northern Ireland, United Kingdom.

[2][3] The event was the fourth Senior Open Championship in a row held at Royal Portrush Golf Club.

Sunday, 9 August 1998 Brian Huggett and Eddie Polland tied the lead after the fourth round, to meet in a sudden death playoff, to decide the winner.

Defending champion Gary Player finished tied 12th nine shots behind the leaders.

61-year-old Brian Huggett beat Eddie Polland with a par at the first extra hole.