Career
He played for the Beyoğluspor, Karagümrük, Galatasaray, Fenerbahçe and Mersin İdmanyurdu teams. He is the manager with the most titles earned in the Turkish Second Football League, having in the process promoted four teams to the Turkish First Football League. In the 1958-1959 season, Aytaç was the first expensive transfer, when he was transferred from Galatasaray to Karagümrük for TL 57.000.
On 25 February 1959, he made the first penalty kick in Karagümrük-Vefa match and became the first player who missed a penalty in Turkish first division started in 1959.
Aytaç was capped in Turkish national football team for 26 times. He was among the captains of Mersin idmanyurdu football team
In 1966-1967 he was transferred to a second division team Mersin İdmanyurdu which promoted to first division at the end of that season. He played for Mersin İdmanyurdu in 1967-1968 and 1968-1969 seasons in first division, Turkish First Football League.
After 1968-1969 season he gave up professional football.
In his jubilee match Mersin İdmanyurdu played against a celebrities" team After his player career Kadri Aytaç started his manager career. In 1968-1969 season he was the manager of Mersin İdmanyurdu youth team when he was playing in A team
Before the start of the 1969-1970 season Kadri Aytaç became the technical advisor of Mersin İdmanyurdu and look for foreign transfers.
Later he attended a course in Romania. Later in that season Aytaç became the manager of Denizlispor, then second division team
He managed Mersin İdmanyurdu in 1975-1976, 1976-1977 and 1992-1993 seasons. in 1975-1976 he made Mersin İdmanyurdu champions in second division, Turkish Second Football League. In 1976-1977 Mersin İdmanyurdu became 7th of First League.
In 1992-1993, Mersin İdmanyurdu was 5th of the promotion group of Second League.
Among the teams he managed other than Mersin İdmanyurdu are, Orduspor, Gençlerbirliği, İstanbulspor, Tirespor, Rizespor, Kayserispor, Ankaragücü, and Karşıyaka. He helped Mersin İdmanyurdu, Orduspor, Gençlerbirliği and İstanbulspor promote to First League. Under his management Tirespor promoted to second league and then became 3rd in second league next year.
He lastly managed Nişantaşıspor in 1997
He died at age 72 due to Alzheimer"s disease from which he suffered in last five years of his life He rests at the Feriköy Cemetery.