Are stats equalized even if they get stronger? Cause Goku has transformations and Garou has reactive evolution. If Goku is limited to base form or only has the Kaioken, Garou probably wins (unless his reactive evolution is pretty much nullified). He adapted to Gyoro Gyoro's powers fast enough to go from being completely immobilized to being able to fight like nothing was restraining him in probably under a minute of being under her effects (of course, Gyoro Gyoro was still holding back, but it's nonetheless very impressive adaptation). Against Orochi, he went from being barely able to react to his horns to making Orochi actually fight back against him (we even see him actively speeding up while dodging) in also under a minute. And against Darkshine, he went from getting stomped and nearly killed by Darkshine to matching his AP and being capable of causing considerable harm to him in just the span of the fight. When he started using a barrage of attacks on him, Darkshine was waiting for him to stop, but Garou literally kept going and improving during that time that he began to surpass Darkshine while literally throwing non-stop attacks at him. Also keep in mind that, just mere days earlier, Garou hurt his own hand punching base Bug God, whereas Darkshine completely obliterated transformed Bug God's upper body with a basic attack, yet he was able to close that gap in just 1 near death experience and 3 fights, while having practically zero rest at all in between.
On top of all that, Garou has things besides reactive evolution. He's debatably as skilled as Goku, has impressive enough regen for it to play a decent factor in the battle, instinctive reactions (likely not on par with Ultra Instinct but still impressive in its own right), analytical prediction (also likely not on par with Goku's but still impressive), and could probably copy Goku's fighting styles if he wanted to.
Still, depending on which Goku it is and what abilities he's allowed to use, it could very well lean in his favor.