The next time Osijek reached the promotion play-offs was in 1973. NK Osijek made it to the final round, beating FC Prishtina. Following their victory, NK Osijek was set to meet NK Zagreb at Stadion Maksimir in Zagreb. A record-breaking 64,129 tickets were sold with approximately 20,000 of them going to Osijek supporters. NK Zagreb proved victorious on the day, winning via a penalty shoot-out following a 2–2 draw after 90 minutes, Osijek denied promotion for a third time in four years.