Event 21: Visit to Onett
From SmashWiki, the Super Smash Bros. wiki
Visit to Onett (オネット来訪, Onett Visit) is the 21st solo event match out of a total of 41 in Super Smash Bros. Brawl. The player fights as Lucas against a CPU controlled Ness in the Onett stage. The player must KO Ness twice to win.