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 · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.

Execution · Grand Arena
A classic football simulation with tactical team management.
Overwatch leans Execution (Grand Arena); Winning Eleven: Pro Evolution Soccer 2007 leans Execution (Grand Arena).
Overwatch leans a little harder on execution, though the gap is small.
Overwatch
Hero aim, movement, and ability timing
Winning Eleven: Pro Evolution Soccer 2007
passing/shooting timing needs real precision
Overwatch leans a little harder on reads, though the gap is small.
Overwatch
Ult tracking, flanks, and baiting human teams
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.
Overwatch
Minor spread and matchmaking noise
Winning Eleven: Pro Evolution Soccer 2007
minor ball-physics randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Team comps, ult economy, and positioning theory
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.