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

Reads · Competitive PvP
A deliberate, high-risk neutral game where one-hit kill threats make reading opponent tendencies the dominant skill.

Reads · Competitive PvP
A platform fighter where edgeguards turn on reading the opponent.
Samurai Shodown (2019) leans Reads (Competitive PvP); Super Smash Bros. Ultimate leans Reads (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Samurai Shodown (2019)
Issen precision and weapon clash outcomes demand disciplined inputs
Super Smash Bros. Ultimate
Tech skill, edgeguards, and DI are mechanically heavy.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Samurai Shodown (2019)
Low-commitment neutral game heavily rewards opponent tendency prediction
Super Smash Bros. Ultimate
Adaptive opponents drive ledge and platform mind games.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Samurai Shodown (2019)
Weapon-break outcomes add small randomness
Super Smash Bros. Ultimate
Stage hazards and items if enabled.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Samurai Shodown (2019)
Character matchup tier knowledge and punish routes are learnable
Super Smash Bros. Ultimate
Matchup knowledge and kill confirms are learnable.
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.