The 1970 Open Championship was the 99th Open Championship, played 8–12 July at the Old Course at St Andrews in St Andrews, Scotland. Jack Nicklaus won the second of his three Opens in an 18-hole Sunday playoff over Doug Sanders, 72 to 73. In gusty winds during the fourth round on Saturday, Sanders saved par from the Road Hole bunker and led by one heading to the 72nd hole.