PRX will never ever pick ascent. I kid you not; they have a 17% winrate on it post monyet. The only problem is that PRX's perma ban is haven. It will probably be:
PRX ban haven
G2 ban sunset
PRX pick Lotus
G2 pick ascent
PRX ban bind
G2 ban Icebox
Decider abyss
PRX and G2 continue perma banning. PRX has a strong sunset, so G2 kills 2 birds with one stone with that pick. PRX's ban is significantly less useful, but idk if they'll cook something, so they'll keep that perma ban. PRX pick lotus because that is their next best map. Additionally, it is G2's next weakest map (although it is still very very strong) G2 pick ascent because PRX has shown that their ascent is garbage while G2 has a very strong ascent. PRX bans bind because that is their next weakest map. G2 ban icebox because that is their next weakest map. Both teams have very novel abyss with seemingly strong ideas, so they'll be fine leaving it as a decider.
Alternatively, PRX could pick icebox instead to exploit G2's weakest map, but PRX's icebox is not as strong as their lotus. It comes down to whether or not alecks will gamble or how scrims go.