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

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

Execution · Competitive PvP
Reversal-timing duels layered over wrestling system knowledge against human opponents.
Pro Evolution Soccer 2009 leans Execution (Competitive PvP); WWE 2K17 leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Pro Evolution Soccer 2009
Close control and finishing windows demand stick precision
WWE 2K17
Reversal timing windows decide most exchanges
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Pro Evolution Soccer 2009
Online and couch opponents adjust tactics against you
WWE 2K17
Human opponents bait reversals and vary move timing
WWE 2K17 leans a little harder on variance, though the gap is small.
Pro Evolution Soccer 2009
Ricochets and keeper parries add small randomness
WWE 2K17
Pin kick-outs and AI logic add scripted randomness
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
WWE 2K17
Move-set knowledge and stamina management underpin matches
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.