Of the four men's major championships, only The Masters uses a sudden-death playoff format, first used in 1979. Through 2017 (and last used in 2008), the had an 18-hole playoff at stroke play on the day after the main tournament, with sudden-death if needed after 18 holes. A two-hole aggregate playoff is used since 2018, followed by sudden-death if needed. The Open Championship first used a four-hole total stroke playoff in 1989, which was reduced to three holes for 2019. The PGA Championship uses a three-hole total-stroke playoff, first used in 2000, it introduced the sudden-death playoff to the majors in 1977, and used it seven times through 1996. Sudden death is used if a tie exists at the end of the scheduled playoff.