Rubuta ci gaba don wannan sakin layi - Allen ya kai wasan karshe na farko a gasar zakarun Burtaniya ta 2011. Ya zuwa yanzu ya lashe gasar cin kofin duniya guda biyar <unk> 2012 World Open, 2013 World Open, 2016 Players Tour Championship Finals, 2018 International Championship, da 2018 Scottish Open
Ka yi haƙuri. Allen ya lashe lambar farko ta Triple Crown a gasar zakarun Turai ta 2018.