Lady Maud vs Phil Hawkins: who would win?

Lady Maud favored — Slight edge (~55%)

Lady Maud · The Legend of Zelda · Base

Tier
HIGH 7-A, up to 6-C
Attack Potency
Large Mountain Level, up to Island Level+
Speed
Massively Hypersonic+, up to Relativistic
Durability
Large Mountain Level, up to Island Level+

Phil Hawkins · Undead Unluck · Base

Tier
HIGH 7-A
Attack Potency
Large Mountain Level
Speed
High Hypersonic
Durability
Large Mountain Level

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