Masters eight years earlier in 2007. Final leaderboard Source: Scorecard Cumulative tournament scores, relative to par Source: Playoff This was the ninth four-hole playoff at the Open Championship, first used in 1989. The last playoff at St Andrews was twenty years earlier in 1995. Johnson and Oosthuizen birdied the first while Leishman bogeyed; Johnson birdied the second and then the routing switched over to the Road Hole (#17), which all three bogeyed. All three made par at 18 and Johnson won the Claret Jug by a stroke. Four-hole aggregate playoff on holes 1, 2, 17, and 18 Scorecard Cumulative playoff scores, relative to par Source: Notes and references External links St Andrews 2015 (Official site) 144th Open Championship - St Andrews (European Tour) 2015 Open Championship (PGA of America) The Open Championship Golf tournaments in Scotland Open Championship Open Championship Open Championship