Team Logo. The Washington Kastles are a team in World Team Tennis. They had an undefeated season in 2011 and again in 2012. They currently one of the best teams in the league. Retrieved from "https://prosportsteams.fandom.com/wiki/Washington_Kastles?oldid=11683" Categories: World Team Tennis Teams Teams in Washington DC Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.