[quote=@ImportantNobody]
If it's sparing practice 4 way and two seem to be better fighters, maybe it's some sort of buddy system where they help out the other two people spar?
[/quote]

What exactly do you mean by being the better fighter? The characters having more knowledge, or the match's participants?

[quote=@Rilla]
You're all better off going for 1 on 1
[/quote]

Well, it most likely will be just two 1v1s going on in the same thread, but seeing as they will both have the same goal in mind, which combat practice, having them both in the same place seems nice.