Arsenal Champions League opponents Fenerbahce will not learn whether the appeal against their ban from competing in Europe has been successful until after their qualifying tie.
The Turkish side were handed a two-year ban from partaking in European competition in June over match-fixing allegations but were reinstated while an appeal is heard.
The Court of Arbitration for Sports has confirmed that it will issue its decision on Wednesday, 28 August- the morning after the second leg tie at the Emirate Stadium.
A Cas statement said that the case involving Fenerbahce will be heard in the next two days in Laussane and decisions will be issued on 28 August.
Besiktas, who are appealing against a one-year ban, finds out the result on Friday 30 August.
Uefa says no decision has yet to be made regarding what would happen if Fenerbahce qualified for the group stage and lost their appeal.
Arsenal will line up against Fener in Istanbul today (Wednesday) in the first leg of the Champions League group stage play off.