 In the 2019 German Cup Final, Zisis hit the game-winner, with 2.4 seconds left in the game, to give Bamberg an 83–82 win over Alba Berlin.On September 7, 2019, Bamberg retired Zisis' number 6 jersey.On July 15, 2019, Zisis signed a two-year deal with the Spanish Liga ACB club Joventut Badalona.