If you follow these steps and you trained with Rodrick the day before, you shouldn't lose in any circumstance.
- Block vertically.
- Block vertically.
- Block horizontally.
- Block vertically.
- Block vertically.
- Attack.
- Block vertically.
- Block vertically.
- Block horizontally.
- Dogde.
- Kick the sword!!! (Be quick about this one).
I hope it helps ^^