Dr. Robotnik (Promotional Comic) vs Senju Kawaragi: who would win?

Too close to call

Dr. Robotnik (Promotional Comic) · Sonic · Base

Tier
9-B, up to 9-A
Attack Potency
Wall Level, up to Small Building Level
Speed
Subsonic+, up to Transonic
Durability
Wall Level

Senju Kawaragi · Tokyo Revengers · Base

Tier
9-B
Attack Potency
Wall Level
Speed
Subsonic+, up to Supersonic+
Durability
Wall Level

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