The 1990–91 Greek Football Cup was the 49th edition of The Greek Football Cup, or Greek Football Cup.
Tournament details
Totally 72 teams participated, 18 from Alpha Ethniki, 18 from Beta, and 36 from Gamma. It was held in 6 rounds, included final.
After the phase of groups (First round), there were interesting confrontations and many "protagonists" were eliminated by the competition continue. In the Second round, Olympiacos were eliminated by PAOK (won 2–0 home, lost 3–0 away), Aris by Athinaikos and Iraklis by Xanthi, while in the Third round AEK were eliminated by OFI. In the same round, Edessaikos, a Beta Ethniki team then, reversed their loss 4–0 by Ionikos, achieving a draw with the same score in the second leg, in order however to be eliminated in penalty shootout.
The Final[1] was contested by Panathinaikos, for sixth time in the last 10 years, after the qualify against PAOK in semi-finals, and neophyte in Alpha Ethniki Athinaikos, for first and unique until now time in their history. That year, Hellenic Football Federation (EPO) decided the establishment of a two-legged final match, according to the model of Coppa Italia. Athinaikos selected as home of first match Apostolos Nikolaidis Stadium, instead of their neutral home, Municipal Stadium of Vyronas, while the second match became in the Athens Olympic Stadium. Panathinaikos won both matches and at the same time The Double.
Athinaikos, as finalist of competition, participated in the next season's European Cup Winners' Cup, for first and unique time in their history. Nikos Sarganis, Athinaikos goalkeeper, that had played in the first match of Final, failed to win the Cup with a fourth team, after Kastoria, Olympiacos and Panathinaikos. Also, the second match was the last for referee Meletis Voutsaras. For fourth possessed year, Dimitris Saravakos, with 10 goals, was elected as competition's first scorer.
First round
The phase was played in a single round-robin format. Each win would gain 2 points, each draw 1 and each loss would not gain any point.