Master Splinter vs Sphectra: who would win?

Too close to call

Master Splinter · Teenage Mutant Ninja Turtles · Season 5/Ninja Tribunal Arc

Tier

5-B, up to 5-A

Attack Potency

Planet Level+, up to Large Planet Level

Speed

Supersonic, up to Massively Hypersonic+

Durability

Planet Level+, up to Large Planet Level

Sphectra · Godzilla · Base

Tier

5-B

Attack Potency

Planet Level+

Speed

Subsonic+, up to Massively Ftl

Durability

Planet Level+

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