FOR each pizza (2 servings): Heat pizza stone or half-sheet pan in 500ºF convection oven. Stretch 1 pizza dough round to 10x4-inch oblong crust.
BRUSH with 1/4 cup barbecue sauce to within 1/2 inch of edges; top with 16 shrimp pieces, 3 oz. cheese and 6 tomato slices. Place on pizza stone.
BAKE 3 to 5 min. or until crust is crisp and golden brown, and toppings are heated through.