head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Competitive PvP
A fast-paced online football game emphasizing mechanical ball control and outplaying opposing players.

Execution · Competitive PvP
A movement-first multiplayer shooter where parkour aim duels decide fights.
Rematch leans Execution (Competitive PvP); Titanfall 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.
Rematch
tight ball control, shooting, and movement skill
Titanfall
Wall-running gunfights demand elite aim and movement
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rematch
reading human opponents' positioning and passing lanes
Titanfall
Human pilots adapt positioning and titan timing against you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rematch
ball physics bounces add minor unpredictability
Titanfall
Some uncertainty in titan drops and flanks
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Rematch
team formations and tactics are learnable
Titanfall
Loadouts and titan timing are a thin solvable layer
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.