Event 41: En Garde!
From SmashWiki, the Super Smash Bros. wiki
En Garde! (剣ではどちらが上？, Who is Superior with Swords?) is the 41st event match of the 51 event matches in Super Smash Bros. Melee. In this match, the player controls Marth and has to defeat Link to win. Both have two stocks each. The battle takes place on Temple, with the Fire Emblem music playing.