Nyorai mberi kweiyi ndima - Allen akasvika pakupedzisira kwake kwekutanga mumakwikwi e2011 UK Championship. Kusvika parizvino akahwina makwikwi mashanu ekuronga <unk> 2012 World Open, 2013 World Open, 2016 Players Tour Championship Finals, 2018 International Championship, uye 2018 Scottish Open
. Allen akahwina mukombe wake wekutanga weTriple Crown mumutambo weMasters wa2018.