Surfer channels ambient cosmic rays into a "deflector shield" and holds out until Hulk gets bored.
or Surfer attacks Hulk on the astral plane and takes possession of Hulk.
or Surfer calms Hulk down or Surfer manipulates all the photons in the arena making the place pitch black, then sits on his board a mile in the air as Hulk punches shadows.
stalemate most likely, Hulk would obviously win if Surfer was stupid enough to engage him for a prolonged spell.
Couldn't he just disintegrate Hulk transmute him into free floating atoms or a lump of rock. He was actually quite impressive in Nova recently. Considering that depowered Hulk and his crew only got lucky when Surfer was regaining his sense of self of Sakarr, fully powered and with only Hulk to contend with I don't see how Surfer can lose.