In Doubles play, players treat their partner's force as if it were an allied contingent. When determining the type of alliance between the two contingents, most alliances will be Trusted allies. However, sometimes an ally may be noted in the Primary forces composition list as Uneasy or even Suspicious, In such cases, the alliance between the two forces is more fractious than most.

For example, Danny and Connor have decided to team up for a Doubles event. Connor is taking command of the Primary force and has drawn his muster list from the Empire of Man Grand Army composition List. Danny considers drawing his muster list from the Wood Elf Realms Grand Army composition list, but instead chooses the Knightly Order Army of Infamy composition list, ensuring their armies are Trusted rather than Suspicious allies.