Three battles fought, and the French win all three.
Small one corps v one corps battle at Agualar. British lose 300 casualties and retreat with three brigades in rout. French suffer no casualties
Another small battle at Sarracin. French lose 100 casualties. British lose 1300 casualties and retreat with four brigades in rout
Larger two corps per side battle at Burgos. British start the battle outnumbered by the French. French lose 400 casualties. British lose 600 casualties and retreat.
5 Guerrilla brigade attack Escalada. Lose 200 casualties and rout