The US Openis an annual open golf tournament and is the second major championships in golf, the others being the US Masters, the Open Championship and the PGA Championship. It is held in mid-June with the final round falling on American Father’s Day. The US Open golfis the only one of the four major championships which does not go immediately to a playoff if two or more players are tied at the end of the four rounds. Instead, the players play a fifth 18-hole round the following day but if a tie still exists after that round, then a sudden-death playoff is held.