Legit move or glitch

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SkyScratcher

Hi can someone tell me if this is a legit move or a glitch. I didn't know you could take a pawn like that. null

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ENOTSGNIVIL

En passant capture dude. If opposing pawn could have captured if you only move one forward it can take "en passant", like your game. 

SkyScratcher

Yeah, just found out from the player himself. Never experienced it up until now. Wonder if there are any other unorthodox moves like that I haven't come across yet.