Originally Posted by Unforced Terror
Wawrinka's backhand is highly ovverated IMO. It's a powerful shot, and very reliable. However, he doesn't hit it with a lot of flexibility/variety, unlike Gasquet who can spin it at ridiculous angles, and also full on rip it from anywhere. Gasquet's BH is a lot more versatile.
Also, on faster courts, he struggles with taking the BH early and on the rise. Haas and Kohlschreiber both do this better than Wawrinka. They sort of "jump" into their backhand, which Wawrinka is unable to do, and often leaves him stranded on the baseline when he could be moving in.
Gasquet's positioning means he doesn't take many balls on the rise either, from either wing. Federer and Haas are the masters of hitting their backhands early and on the rise.