Stenson led after 54 holes at Castle Stuart in 2013 .
It was Mickelson who emerged victorious on a dramatic final day as he produced a stunning pitch to seal the title in a play - off against Branden Grace .
Stenson led after 54 holes at Castle Stuart in 2013 , but it was Mickelson who emerged victorious on a dramatic final day as he produced a stunning pitch to seal the title in a play - off against Branden Grace .