I can give you some pointers, if you want.
He's got some really great pressure when assisted by Sentinel drones, Doom rocks, or a similar sort of projectile assist. Plus, you can push people into the corner very easily by ending his air combos with his up+HP eye beam.
When you get them cornered, call out your projectile assist, load up Chaos Dimension, and grab them while they're blocking the projectiles. You wouldn't even believe how many people falter against these pressure tactics. ^^;;;