Kostepen game log
| cmp | date | team | r | score | vs | g | a | minutes | venue |
|---|---|---|---|---|---|---|---|---|---|
| ISL | June 8, 1961 | Beşiktaş | 1 - 1 | Kilmarnock F.C. | 0 | — | 90 | Percival Molson Memorial Stad… | |
| ISL | May 30, 1961 | Beşiktaş | 0 - 1 | New York Americans | 0 | — | 90 | Polo Grounds | |
| ISL | May 17, 1961 | Beşiktaş | 3 - 1 | Karlsruher SC | 0 | — | 90 | Polo Grounds |