 But third round action continues from the open at Royal Troon. And what a leaderboard we have. It's Shane Lowry currently at 6-under. Billy Horschel and Daniel Brown tied at 5-under. Xander Schauffele and Justin Rose tied at 4-under. Now, earlier at the par 3, 238-yard 17th hole, Siwoo Kim made the longest hole-in-one in open history.