Opponent sets a weak defense, so we use it as an opportunity to just use different teams, mostly weaker teams. I make this decision around a third of the way through.
Some battles:
Nest v Ewoks, Wampa v Rebels; g12 Malak v Shaak Ti;
DR v Geos; g12 JTR v Relic KRU;
Vader DOT team v Kylo; Aura Sing v Bossk; g11 OR v g12 Bossk;
Feat Team v Empire; Poggle/B2/Wat v Rogue One; Qira v Chaze;