It was a historic win for the Reds of Piraeus at the Greek Super League playoffs, ending the season with a 4-1 triumph against hosts Panathinaikos.
Up north at Toumba Stadium, Asteras managed a 1-0 win over a distracted PAOK.
Olympiacos took a strong lead from the get go, leading by 3-0 by the end of the first half.
Reds’ midfielder Giorgos Masouras and forward Youssef El-Arabi dominated the game, with the midfielder scoring the first two goals of the match at seven and 12 minutes.
El-Arabi solidified the lead in the 38th minute delivering a superb strike. Panathinaikos on the other hand missed a penalty made by Lucas Villafanes.
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In the second half Maurício came back to avenge the lost penalty, giving the Greens a goal at 53 minutes, but El-Arabi made sure there was no chance of a comeback by scoring again in the 72nd minute.
Asteras Tripolis ended up its playoff season beating somewhat aloof hosts PAOK.
It was an early win for the visitors, as midfielder Rodrigo Gomez scored the only goal of the match at 28 minutes.
In a less eventful match, AEK and Aris drew 0-0 at the Olympic Stadium of Athens.
Top four teams Olympiacos, PAOK, Aris and AEK will be heading to the UEFA Conference League.