Dane Thomas Bjorn leads British Open by one shot after carding a one -under 68 . Clarke is ahead of American Dustin Johnson ( six ) as just six players lie under par . Darren Clarke holds a one-stroke lead going into the final round of the British Open at Royal St George 's , Sandwich , as the Northern Irishman carded a one-under-par 69 to defy the wind and rain that plagued the early part of the day . Dane Thomas Bjorn also carded a 68 and lies joint second with Dane Thomas Bjorn .
Dane Thomas Bjorn leads British Open by one shot after carding a one -under 68 . Clarke is ahead of American Dustin Johnson ( six ) as just six players lie under par . Dane Thomas Bjorn also carded a 68 and lies joint second with Dane Thomas Bjorn .