Status unknown for Sunday Coufal (thigh) remains questionable for Sunday's match against Schalke, according to manager Christian Ilzer. "We have had very intense weeks, the personnel situation is very tense... Impact Coufal has been out the past two games for Hoffenheim, and his availability for Sunday seems to still be up in the air, as a clear indication of whether he was fit or not was not given. This would leave the club without their veteran right-back again if he were to miss out, with Natnael Abraha as a possible replacement. Either way, Coufal will likely need to pass some testing to play, raising some questions about whether he will be able to start even if he is fit to make the team sheet.