Both Besiktas and Arsenal will have everything to play for next week at the Emirates Stadium.
Neither side could find a breakthrough in the first leg of this UEFA Champions League play-off tie, and the Gunners completed the contest in Istanbul with just 10 men following the ejection of Aaron Ramsey.
There is no doubt Besiktas manager Slaven Bilic and Arsenal boss Arsene Wenger will have taken one or two lessons from the match. Over the next few slides, we’ll highlight just a few things that stood out in Istanbul.
Following are the winners and losers from Tuesday’s encounter.