In the June 1989 elections, Synaspismos gained 13.1 per cent of votes and joined a coalition with New Democracy to form a short-lived government amidst a political spectrum shaken by accusations of economic scandals against the previous administration of Andreas Papandreou's Panhellenic Socialist Movement.
Ved valget i juni 1989 fik Synaspismos 13,1 procent af stemmerne, og tilsluttede sig til en koalition med Nyt Demokrati for at danne en kortvarig regering midt i et politiske spektrum rystet af beskyldninger om økonomiske skandaler mod den tidligere leder af PASOK Andreas Papandreous.