Not if we're talking movie version of Sonja. She was a pathetic fighter with only a sword and no real feats to answers Xena's Chakram, skill, pressure points, or stats.
__________________ Too much work trying to figure how to size a Sig right to have one.
Well, in the movie universe, Sonja was one of that worlds best fighters, second to Arnolds Conan-clone. Yes the choreography of that movies fighting wasnt anything flash, but thats more a behind the scenes fact over how skilled/unskilled its movie characters actually were.