Gina Chamber vs A (Fourth Raikage): who would win?

A (Fourth Raikage) favored — Slight edge (~55%)

Gina Chamber · Undead Unluck · Base

Tier
7-A, up to HIGH 7-A
Attack Potency
Mountain Level, up to Large Mountain Level
Speed
Hypersonic+
Durability
Large Mountain Level

A (Fourth Raikage) · Naruto · Base

Tier
7-A, up to 6-B
Attack Potency
Mountain Level, up to Country Level
Speed
Sub-Relativistic, up to Ftl
Durability
Country Level

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