MICKELSON OF UNITED STATES PRACTICES ON THE PUTTING GREEN AHEAD OF THE BRITISH OPEN AT ROYAL TROON IN SCOTLAND. Phil Mickelson of United States practices on the putting green ahead of the British Open at Royal Troon in Scotland, July 14, 2004. The 133rd British Open begins July 15. MOBILE SERVICES CAN USE MAXIMUM OF 5 OPEN CHAMPIONSHIP IMAGES PER DAY. REUTERS/Mike Finn-Kelcey