slashdance
Currently, the freeze feature in ranked solo duels is requiring people to play ranked solo duels. Thing is, people usually only have a set amount of time to play per day. And sometimes, playing with friends is more fun than playing alone.
People are staying relevant when they are playing ranked double/team duels, but you're penalising them for not playing one feature of the game. It feels like the game balance is broken here. The motivation is now "play alone or else you'll lose ELO" ... not "enjoy being part of the community."
Can you allow Ranked Team Duels play to "stop decay" in ranked solos? People are playing the game. They're staying relevant. That's what you want