Grand Slam of Darts By Lollo180 2007 Phil Taylor 2008 Phil Taylor 2009 Phil Taylor 2010 Scott Waites 2011 Phil Taylor 2012 Raymond van Barneveld 2013 Phil Taylor 2014 Phil Taylor 2015 Michael van Gerwen 2016 Michael van Gerwen 2017 Michael van Gerwen 2018 Gerwyn Price 2019 Gerwyn Price 2020 José de Sousa 2021 Gerwyn Price 2022 Michael Smith