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

Execution · Competitive PvP
The Wii U Smash that restored competitive pace and a huge roster of labbable kill confirms.

Execution · Grand Arena
A classic football simulation with tactical team management.
Super Smash Bros. for Wii U leans Execution (Competitive PvP); Winning Eleven: Pro Evolution Soccer 2007 leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Super Smash Bros. for Wii U
Perfect pivots and precise aerial spacing reward sharp hands.
Winning Eleven: Pro Evolution Soccer 2007
passing/shooting timing needs real precision
Super Smash Bros. for Wii U leans a little harder on reads, though the gap is small.
Super Smash Bros. for Wii U
Ledge-trap and landing-trap guessing against humans never converges.
Winning Eleven: Pro Evolution Soccer 2007
human opponents adapt tactics against you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Super Smash Bros. for Wii U
Tripping removed; only minor move RNG remains.
Winning Eleven: Pro Evolution Soccer 2007
minor ball-physics randomness
Winning Eleven: Pro Evolution Soccer 2007 leans a little harder on optimization, though the gap is small.
Super Smash Bros. for Wii U
Rage mechanics and kill-confirm percents are deeply labbable.
Winning Eleven: Pro Evolution Soccer 2007
tactics and formations 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.
full breakdown
Super Smash Bros. for Wii U →
full breakdown
Winning Eleven: Pro Evolution Soccer 2007 →