No offense back at you, but you are not staff, so your opinion doesn't matter, let them decide and don't speak for them. And yeah, Duel is a 1v1 mode, but it is not what I had in mind, Duel is a public room that multiple players can join, but what I suggest is to make it 1 individual player against another till one of them gets to 11 kills. Do you not understand Town 1v1s?
Here's an example: