Critical Hits ignore target Pokemon's defense or special defense stat boost, common knowledge. But, does it ignore evasion stat boost and only use accuracy for the chance of missing calculation?
No, critical hits do not ignore evasion.
Source: Tested on Showdown http://replay.pokemonshowdown.com/customgame-395646978
Storm Throw has a 100% crit rate, but still misses Clefable.
