I can now host three at once!
#5 is still ongoing, but #4 ended this morning. It was a very tough fight, as my opponent triple picked Scandinavia while I worked to counter it with Central Russia. After many turns of being worse on income, I managed to equalize, and then win.
https://www.warlight.net/MultiPlayer?GameID=7799522#6 and #7 can be found here,
https://www.warlight.net/MultiPlayer?TournamentID=13222, and here,
https://www.warlight.net/MultiPlayer?TournamentID=13223