Billy Horschel leads the Open Championship at four under par heading into the final round, with a one-shot advantage over a group of six players, including Xander Schauffele and Justin Rose. The challenging weather conditions, particularly on the back nine, have made play difficult for golfers at Royal Troon. Thriston Lawrence surged up the leaderboard with an impressive 6-under 65 in the third round, positioning himself in the final group with Horschel. The final round promises an exciting battle with several players within striking distance of the lead, including Scottie Scheffler and Shane Lowry. Tee times for Sunday's final round have been set, showcasing a mix of seasoned veterans and rising talents vying for the Claret Jug.