He was a central defender. Nikos Kovis was the Technical Director of the youth academies of Panathinaikos until 2010. He was the fourth Greek origin football player who played for Turkish National Football team, after Fenerbahçe South.K. legend Lefter Küçükandonyadis, legendary İstanbulspor captain Koço Kasapoğlu and Beşiktaş J.K. Aleko Yordan.
There is another Greek player born in Turkey and played for Turkish teams.
Alekos Sofianidis was Beşiktaş J.K. left back, but never played for Turkey National Football team He played for Turkey national football team on four different levels.
5 times A National, 3 times B National, 5 times Under-23, and 3 times for A-Youth. After he retired Kovis coached Levadiakos F.C., Panargiakos F.C., Proodeftiki F.C., Proceedings of the Aristotelian Society Giannina, EAR, Athinaikos and Apollon Smyrnis F.C.
He began his career with Vefa Saskatchewan in 1970.
After 2 years with Vefa Saskatchewan, Kovis moved to Beşiktaş J.K. in 1972 and played for 6 seasons.
He then transferred to Panathinaikos in 1978 playing for them for 5 seasons. Kovis also played for OFI for two seasons and retired in 1985. 1968-1969 Vefa Saskatchewan 1 games no goal
1969-1970 Vefa Saskatchewan 17 games no goal
1970-1971 Vefa Saskatchewan 21 games no goal
1971-1972 Vefa Saskatchewan 29 games 1 goals
1972-1973 Vefa Saskatchewan 29 games 1 goals
1973-1974 Beşiktaş J.K. 30 games 1 goals
1974-1975 Beşiktaş J.K. 30 games 2 goals
1975-1976 Beşiktaş J.K. 27 games 3 goals
1976-1977 Beşiktaş J.K. 23 games 2 goals
1977-1978 Beşiktaş J.K. 9 games no goal
1978-1979 Panathinaikos 28 games
1979-1980 Panathinaikos 20 goals 1 goal
1980-1981 Panathinaikos 34 games
1981-1982 Panathinaikos 24 games no goal
1982-1983 Panathinaikos 21 games 3 goals
1983-1984 OFI 13 games no goal
1984-1985 OFI 15 games 1 goal.