Career
He currently plays for Kumanovo. Kostoski started his pro career with French team Pau Orthez in 2004. He has competed with the team at all International Basketball Federation levels of U16, U18, U20, even the Senior team
Aleksandar Kostoski is candidate for the Macedonian national basketball team for the 2012 International Basketball Federation World Olympic Qualifying Tournament in Caracas, Venezuela.
According to the Coach Marjan Lazovski, Kostoski, along with Kiril Nikolovski and Bojan Trajkovski are likely to be the newest additions to the final team