 Nyorai kuenderera mberi kweiyi ndima - Stephenson akarasikirwa nemutambo mumwe chete kuti akwanise kuenda ku2007 PDC World Darts Championship, achirasikirwa naAlan Tabern. Akabva adonha zvibodzwa zviviri pakukwanisa kupinda mu2008 PDC World Darts Championship, achirasikirwa naKirk Shepherd uyo pakupedzisira akakwanisa uye akapfuurira kusvika kumagumo. Stephenson pakupedzisira akakwanisa kupinda muWorld Championship panguva yechitatu yekukumbira, achikunda Jason Clark, Gary Welding uyezve Ray Farrell kuti awane imwe yenzvimbo sere dzakakodzera. Akatarisana nemukwikwidzi wenyika kashanu uye nhamba yechipiri Raymond van Barneveld mumutambo wekutanga, achirasikirwa nemaseti matatu kusvika zero. 