Countering wrestler's single leg?

http://stickgrappler.tripod.com/fb/fbgrableg2.html

A pancake is a flat, circular, doughy piece of breakfast food that...

Oh.

IIUC a sprawl is where you shoot your feet back with your hands on the opponent's head or neck and stop him. A pancake is where you drop on his back as he shoots.

http://www.groundfighter.com/uploads/videos/UltimateTakedownsVol6.ram

Uchimata counter to a single leg.

It depends on the kind of single leg regular,low,snatch,or high crotch. If he's doing them right he'll slam his shoulder into your hip or leg on entry. Whizzers and crossfaces will bring you to a more nuetral position