At the 2004 Summer Olympics in Athens, Adakan qualified for his second Turkish team in the men's Finn class by finishing eleventh and receiving a berth from the ISAF World Championships in Cadiz, Spain. After achieving a top ten finish in sailing from Sydney, Adakan was appointed by the National Olympic Committee of Turkey () to carry the nation's flag in the opening ceremony. He mounted a second highest placement on the first leg of the series, but came up short for the podium with a sixteenth-place finish on 124 points.