Career
He made his Süper Lig debut on 19 September 2014. Berat Tosun has played in the youth squad for and during Süper Lig: 2014-2015 Süper Lig he made it to the official team On 28 September 2014, hosted Balıkesirspor and in the 33th minute Guido Koçer made a cross from the left side assisting Berat Tosun to make the final knee touch to score the opening goal.
In the same game Berat Tosun made his second goal in the 75th minute and this time he received pass from Jean-Jacques Gosso in the penalty box assisting Berat to make an easy finish to put back up 2-1 over Balikesirspor.
The game ended 3-1 victory by the home side On 26 December 2014, hosted Galatasaray, while the away side was up 1-0, Berat Tosun came on to the pitch in the second half and as soon as he came on with the first touch he was able to make a wonderful cross from the right side of the field to Bogdan Stancu to make it 1-1 and game ended in a draw for both sides. On 5 January 2015, Mersin İdman Yurdu hosted the away side and on the 51st minute Hakan Aslantaş rushed down the right side to cross the ball to the penalty box and inside the box Berat ran towards the ball and was able to volley the ball into the Netto to score the opening goal foreign