It should work if you use the Direct Challenge Icon (the crossed swords near the top) and not from your friends list. If you each direct challenge each other, click the little drop down arrow under "challenge", and select brawl, you can Historic Brawl your friends.
It should work if you use the Direct Challenge Icon (the crossed swords near the top) and not from your friends list. If you each direct challenge each other, click the little drop down arrow under "challenge", and select brawl, you can Historic Brawl your friends.