Rory McIlroy takes on Boo Weekley in the first round of the WGC-Accenture Match Play Championship in Arizona which gets under way this week.
The 24-year-old Northern Irishman, who lost out to eventual winner Hunter Mahan in the 2012 final, comes up against Weekley in a late-morning start on Wednesday after former winner Ian Poulter faces another American in Rickie Fowler to kick off the action.
Luke Donald, who won the event in 2011, faces Italian Matteo Manassero in the Player Division and fellow Englishman Lee Westwood - looking for his 40th career title - starts with an opening round against Harris English.
Former winner Henrik Stenson of Sweden, winner at the Gallery Golf Club in 2007, is due to take on Thailand's Kiradech Aphibanrat just after noon.
Scotland's Stephen Gallacher comes up against Ernie Els in one of the later matches of the day, while defending home champion Matt Kuchar takes on Austrian Bernd Wiesberger.
Jamie Donaldson of Wales tees off against Billy Horschel and Bubba Watson, who won the Northern Trust Open in California on Sunday by two shots, faces Finland's Mikko Ilonen in an early start at the Golf Club at Dove Mountain.