[2][3][4] Then he moved to Universitatea Cluj, choosing to transfer from Reșița to Cluj-Napoca where he lived with fellow teammate Remus Câmpeanu for six years in a three-room house, provided by the university club.

[5] On 3 May 1959 he made his Divizia A debut under coach Virgil Mărdărescu in a 1–0 home victory against Știința Timișoara and in the following season he scored his first goal from about 30 meters in a 3–2 loss at Constanța in front of Farul.

The highlights of Ivansuc's period spent with The Red Caps were two 4th places in the 1960–61 and 1962–63 seasons, a personal record of 9 goals scored in the 1966–67 season, also being used the whole match by coach Andrei Sepci in the 1965 Cupa României final, managing to score a goal with a free kick from about 25 meters distance in the 2–1 victory over Dinamo Pitești on the Republicii Stadium which brought the club their first trophy.

[2][3][10] His former wife, Sanda Popescu, claimed that Constantin Teașcă's second stint on U's bench meant the end of Ivansuc's career, much to his frustration.

[4][5] Zoltán Ivansuc made his debut for Romania in 1962 under coach Constantin Teașcă in a friendly against Morocco which ended with a 4–0 victory.