head to head
Rocket League asks more than Supersonic Acrobatic Rocket-Powered Battle-Cars, and the gap is execution.

Execution · Pure Mechanics
Mechanical car-soccer where execution is the ceiling.

Execution · Competitive PvP
A car-soccer game testing aerial control and prediction of human opponents.
Rocket League leans Execution (Pure Mechanics); Supersonic Acrobatic Rocket-Powered Battle-Cars leans Execution (Competitive PvP).
Rocket League leans clearly harder on execution.
Rocket League
Aerials, flicks, dribbles, pure mechanical ceiling
Supersonic Acrobatic Rocket-Powered Battle-Cars
Aerial car control and ball-striking precision is the lead
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rocket League
Rotations and 50-50 reads against humans
Supersonic Acrobatic Rocket-Powered Battle-Cars
Predicting human opponents' positioning and rotations matters
Supersonic Acrobatic Rocket-Powered Battle-Cars leans a little harder on variance, though the gap is small.
Rocket League
Almost deterministic physics
Supersonic Acrobatic Rocket-Powered Battle-Cars
Little randomness in deterministic physics
Supersonic Acrobatic Rocket-Powered Battle-Cars leans a little harder on optimization, though the gap is small.
Rocket League
Training routines, rotation theory
Supersonic Acrobatic Rocket-Powered Battle-Cars
Boost management and rotation strategy form a real layer
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.