Olympiacos the advantage and they finished the job in Piraeus, after a spectacular 2–0 win against the Scottish Champions with Kritikopoulos and Stavropoulos finding the net. In the next round, they were drawn to play against Anderlecht for a place in the quarter-finals of the competition. Anderlecht won the first leg with 5–1 and Olympiacos' task seemed impossible. In the second leg in Greece, however, Olympiacos put on a dominant display and almost reached a winning score in a match that was marked by referee Károly Palotai's decisions. Olympiacos beat Anderlecht 3–0, while Palotai disallowed four Olympiacos goals and did not give at least three clear penalties committed by Anderlecht players, while Stavropoulos was shown a red card for no good reason. The match is widely known in Greece as the "Palotai massacre" with Olympiacos coming close to one of the biggest comebacks in European Cup history. Eliminating AFC Ajax in European Cup (1983) In 1983 Olympiacos entered the 1983–84 European Cup and were drawn against the European powerhouse and Dutch champions AFC Ajax of world-class players like Marco van Basten, Ronald Koeman and Frank Rijkaard. The first leg was held in Amsterdam and ended with 0–0 draw, with Olympiacos holding firm and taking the advantage for the second leg. The second match in Athens was a thriller and a further goalless stalemate, before extra-time when Nikos Anastopoulos scored twice (95', 118') and send Olympiacos through, causing the 80,000 Olympiacos fans in the Olympic Stadium of Athens to burst into frenetic celebrations. In the Last 16 they faced Portuguese club Benfica, but despite their comfortable 1–0 in Athens, where Anastopoulos scored the goal and lost a crucial penalty as well, they were eliminated after a 3–0 defeat in Lisbon. UEFA Cup Winners' Cup quarter-finalists (1992–93) In 1992 Olympiacos, coached by Oleh Blokhin, entered the 1992–93 European Cup Winners' Cup and after eliminating Chornomorets Odesa in the first round, they were drawn against Arsène Wenger's AS Monaco, a very strong side with players like Jürgen Klinsmann, Youri Djorkaeff, Lilian Thuram and Jean-Luc Ettori. Olympiacos eliminated Monaco and reached the quarter-finals after a hard-fought 1–0 away win in Stade Louis II with a goal by Giorgos Vaitsis in the 86th minute and a goalless draw in Karaiskakis Stadium in the second match. They weren't able to qualify for the semi-finals, as they were eliminated by Atlético Madrid, with 1–1 draw at home