I'm assuming you don't have to go for a win after two in canon posts, though lalli' post implied the opposite. I'm guess that post was worded that way only for the assumption that someone would try to win at the first opportunity rather than that being the rule of law.

I imagine you can kill them in such a manner but only pausing to give them the last words, like Anakin versus Dooku. So the in canon post would end with them in position for certain victory that they can take after the opponents response. It would be more like an execution though.

I'm not the best at coming up with last words. Based on my character I'll submit (after work, sooner or later) she might do a congratulations of sorts for the epic battle as long as they fought fairly. For most people I imagine last words being incoherent babble and pleading, at least for civilian characters not mentally trained for death.