Nanao Ise vs Rize Kamishiro: who would win?

Rize Kamishiro favored — Slight edge (~55%)

Nanao Ise · Bleach · Pre-Timeskip

Tier
7-B
Attack Potency
City Level+
Speed
Hypersonic, up to Hypersonic+
Durability
City Level+

Rize Kamishiro · Tokyo Ghoul · Dragon

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

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