Rize Kamishiro vs Anno Un: who would win?

Too close to call

Rize Kamishiro · Tokyo Ghoul · Dragon

Tier
7-A
Attack Potency
Large Town Level, up to Town Level+
Speed
Relativistic
Durability
Mountain Level+

Anno Un · Undead Unluck · Base

Tier
7-A
Attack Potency
Mountain Level
Speed
Hypersonic+
Durability
Unknown

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.