Score - Basingstoke 21 East Grinstead 61
Four unconverted tries from James Keyworth, Max Turnwald, Jake Mills and Matt Walsh makes it 28-0 to the visitors inside 20 minutes.
Guy Wilkinson converts his own try, but East Grinstead add another score from James Faaatuah for a half-time lead of 33-7.
Four converted tries by Kyle Coulter, Walsh, Keyworth and Karl Gleave makes sure of the win.
Stoke score from Gavin Dampies and a penalty try both converted by Ryan Trevaskis.