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
An arcade wrestling game testing grapple timing and reading opponent attempts.

Execution · Competitive PvP
Reversal timing and pacing against an opponent baiting your counters.
Tecmo World Wrestling leans Execution (Competitive PvP); WWE 2K15 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.
Tecmo World Wrestling
Move timing and grapple inputs matter
WWE 2K15
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.
Tecmo World Wrestling
Human opponents allow reading their grapple attempts
WWE 2K15
Human opponents bait reversals and vary move timing
Tecmo World Wrestling leans a little harder on variance, though the gap is small.
Tecmo World Wrestling
Some randomness in move success and damage
WWE 2K15
Chain-wrestling rock-paper-scissors minigames add randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Tecmo World Wrestling
Knowing move sets and stamina management gives edge
WWE 2K15
Move sets, stamina and match pacing are learnable systems
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.