Currently the duel system is basic to say the least. Our only command is

/duel <amount>

You can't set up a first to 3 duel with commands and you can't use items either so I think this needs a change.

/duel <amount> <amount of matches>

This would be the best of x games duel command. For example /duel 10000 5 means that whoever wins more out of five games gets the duel amount.

/duel <item>

Not sure if this command is possible but yeah this is basically an item duel command. The way it works is simple. Type in the command and you basically bet your specified item on yourself. The item will go to the winner in the end. Now this is not a failproof command as you can see. How do you make sure that you get something aside from your item if you win? Our next command is there to solve that problem.

/selfbet <amount>

You bet an amount on yourself that goes to your opponent if you lose. This can counter the duel item problem.

/duel <item> <amount>

This is the same command as the other two just combined. You place your item and set the amount of TC your opponent loses if you win.

/send <amount> <player>

This is not really a duel command. Just a way to send TC in-game. A fast and convenient method.

Any update on this?

I can't really speak from a development-side of things, but I can at least refer to this topic through my own pov as a person that has a long history of duelling.

I don't really support this idea, automating a process that sometimes actually needs human engagement is not the way to go. I've had countless duels where someone pinged first turn, or had to leave the duel for an hour only to come back later. Both cases rely on some sort of empathy, which the automated process won't have. You pinged first turn? maybe even turn zero? this game is voided and either it goes void with tc (like self-betting on yourself in a bet server and pinging) or you lose a point that you can't take back. This to me takes away the spirit of duelling and doesn't really serve enough purpose to put dev time towards.

Then again there are people supporting it, so maybe there is a bigger point I'm missing.

The tc sending command is handy, but it'll just end up a thing new players report for being lured into doing

You can just give up a point if your opponent pings though. Wasn't pinging bad either way? Do you really want to scrap the TC sending command just because new players can be scammed with it? Then delete duel command as well since new players can be trapped into a duel too... There are a lot of features like that if you think about it. For example buying toricredits is allowed even though illegal sellers can easily fool newbies
I haven't put much thought into the self-betting command I admit that tho