I know there is a duel feature but perhaps some automation might be interesting and even a guild duel and nation duel sector might be interesting too.

Fly to sector and you automatically are in the standing ready status
/duel status would show someone standing ready and where
/ fly into sector and sector is locked until there is a winner.

Could have 2v2 sector, 3v3, 4v4, 5v5.
Might be able to adapt it to a nation war too.

I can see where this could help but locking the sector... Maybe some more reply's will come soon im to tierd to think properly.
For what its worth people do tend to play dirty in duels and as much as i dislike it locking that part could take away some (dirty\cheap) player freedom.

+1 to SpaceQuake

-1

As nice as this sounds, it'll reduce the amount of people fighting in the universe at large, and often times the fights you don't expect are the most fun.