Would it rely on their speed?
Pleaselog inorregisterto add a comment.
It’ll depend on Speed. Quick Attack and Sucker Punch have +1.
This is chart of all Priority moves.http://bulbapedia.bulbagarden.net/wiki/Priority#Generation_V___Both of these sites say:
If the targetdoes not use an increased priority moveduring the round that it is used, Sucker Punchwill go firstregardless of the user’s or target’s Speed.
If the target alsouses an increased priority moveduring the same round that the user uses Sucker Punch,
\m/o_o\m/
I’d venture to say sucker punch, but I could be wrong.