Is ONE PIECE episode 613 filler?

#613

Showing Off His Techniques! Zoro's Formidable One-Sword Style!

奥義炸裂！ゾロ最強の一刀流！

Aired 22 Sept 2013

Mochibayo compiled this list from MyAnimeList's labels, because MyAnimeList's episode data is not reaching us at the moment.