Phil Mickelson made a huge impact on the opening day of The 145th Open at Royal Troon in 2013. The 2013 Champion wasted little time in starting his challenge for the Claret Jug by playing one of the finest first rounds that The Open has ever seen. It was hard to deny that the American was playing at his peak as he chased down a record-breaking round score. This spectacular display sowed the seeds for the epic final-round showdown between Phil Mickelson and Henrik Stenson. This is every televised shot of Phil Mickelson on day one of the 145th Open. #TheOpen #PhilMickelson #EveryShot Visit TheOpen.com for the greatest stories in golf Keep in touch with us! Facebook - facebook.com/The-Open-Championship Twitter - twitter.com/TheOpen Instagram - instagram.com/theopen To LICENSE The Open footage, please contact IMG REPLAY ▶ bit.ly/306V7dI