Greninja vs Roy
Matchup Tips and Strategies
In the matchup against Roy, make effective use of Greninja's Shadow Sneak to reposition and dodge his approaches, especially when he tries to close the gap. Once you're behind him, capitalize on your advantage by using Water Shuriken to poke from a distance or Down Air to pressure him off-stage. Be mindful of Roy's powerful aerials and quick ground attacks; maintaining a safe distance while utilizing Greninja's agility will help you avoid his combo potential. When edge-guarding, focus on keeping Roy off-stage with your ranged options to limit his recovery options and secure early KOs.
Tips for Greninja vs Roy
Use shadow sneak to get behind Roy any time he gets even moderately close. Then edge guard him with either water shuriken or down air to keep him off stage.