head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Competitive PvP
Execution on the ball plus constant prediction of the other player's shape.

Execution · Pure Mechanics
An arcade-leaning tennis game built on shot timing, court positioning and rally play.
Pro Evolution Soccer 2009 leans Execution (Competitive PvP); Smash Court Tennis 3 leans Execution (Pure Mechanics).
Smash Court Tennis 3 leans a little harder on execution, though the gap is small.
Pro Evolution Soccer 2009
Close control and finishing windows demand stick precision
Smash Court Tennis 3
Shot timing, positioning and stroke selection are the lead
Pro Evolution Soccer 2009 leans a little harder on reads, though the gap is small.
Pro Evolution Soccer 2009
Online and couch opponents adjust tactics against you
Smash Court Tennis 3
Anticipating an opponent's placement matters in matches
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Pro Evolution Soccer 2009
Ricochets and keeper parries add small randomness
Smash Court Tennis 3
Little randomness; outcomes follow inputs
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Pro Evolution Soccer 2009
Squad setup and tactical sliders reward preparation
Smash Court Tennis 3
Stat building and shot strategy support the core
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.