Baylen
The right wing Spanish Cavalry Brigade starts the attack but is badly mauled by artillery and withdraws and the infantry move in
The right wing Spanish Brigade comes down of the hill to attack the French left
The Spanish move in to attack the French left and centre
The Spanish and French are in melee in the centre rear of the picture.
The Spanish advance forces the French infantry on the right flank to pause giving some breathing space to the Spanish right who are now mostly in square with the French cavalry behind their flank.
The Spanish centre moves into the attack and causes the French right to reinforce the centre.
Birdseye view of centre
Allthough the Spanish attack in the centre was decimated and that on the right badly mauled it allowed the Spanish left (that wasn't in square) to attack and drive off the French right wing
The Spanish ne during the now have a free run on the right and push through to attack the French Convoy