Besiktas beat Krasnador 2-1 in an international friendly played in Austria on Friday.
Krasnador opened the scoring on 12 minutes but Oguzhan Ozyakup equalised from the penalty spot on 29 minutes.
Jeremain Lens scored soon after the half-time break and Alvaro Negredo wrapped up the win on 87 minutes.
Beşiktaş beat Krasnador 3-1
How about that for a header!
Negredo with the third and final goal pic.twitter.com/C4azgP0chx— Turkish Football (@Turkish_Futbol1) July 20, 2018
The Black Eagles suffered an injury blow on 43 minutes after Oguzhan Ozyakup had to be taken off.
The severity of the injury is currently unknown but the club are expected to release a statement.
Ozyakup has scored 27 times and provided 50 assists in 219 appearances for Besiktas since joining from Arsenal five years ago.
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It would be a major blow for the Super Lig outfit if Ozyakup were to suffer a long-term injury.
The Super Lig outfit drew to Siofok in their first friendly before beating Gyirmot 4-1.
Besiktas were held to a goalless draw against Shakhtar in the following game and then suffered a 4-1 defeat against CSKA Moscow before being held to a 2-2 draw against Reading.
