Arsenal face a date with destiny with Olympiakos to reach the Champions League last 16 after sweeping aside Dinamo Zagreb at The Emirates Stadium. Mesut Ozil and Alexis Sanchez's double confirmed the comfortable victory which coupled with 10-man Bayern Munich's 4-0 win over the Greek champions sets up a final day decider.
Arsene Wenger's side need a two-goal victory over Olympiakos on 9 December to become the first side since Galatasaray in the 2012-13 season to qualify for the knock-out stage having lost their first two group games. Anything less in a fortnight's time and the Gunners will be consigned to a place in the Europa League.
Among the positives for the home side on a night where they cruised to victory came in the form of Ozil, who was involved in his 11th goal in his last nine appearances to put the hosts ahead with a fine header. Sanchez then took over with goals either side of half time, finishing from close range after assists from Nacho Monreal and Joel Campbell as Dinamo's record of never progressing from the group stage continued.
Having been battered, bruised and beaten by Bayern a fortnight ago, the Gunners needed favours to remain in contention to reach the last 16 of Europe's premier club competition. Only a win over minnows Dinamo coupled with victory for the Bundesliga champions over Olympiakos would see the north Londoners' remain in contention to qualify for the knock-out phase on a 13th straight occasion ahead of a potential final day clash in Greece.
Without the injured Francis Coquelin for the first time since the Frenchman suffered a knee injury against West Bromwich Albion, Mathieu Flamini began at the base of the midfield. Campbell returned to the right-hand side of the attack meanwhile as Wenger's side look to avoid the Europa League trap door.
Dinamo had won the opening group game between the pair and made two changes from the defeat to Olympiakos, with Ivo Pinto and Leonardo Pjaca coming in. Midfielder Arijan Ademi, who played in the 2-1 win in Croatia, was missing as he began his four-year ban for failing a drugs test.
With three defeats in their last five games, it was no surprise that Arsenal made a ragged start. Sanchez was typically lively but uncoordinated, Olivier Giroud was inaccurate while Ozil was pinpoint if not overly probing.
The Croatian champions went from showing early adventure to retreating into their shell and with little space to operate in, the hosts were frustrated. That plight was then accentuated by Bayern storming into a healthy early lead.
But in the space of four first half minutes, Arsenal turned around their European fortunes. First Ozil buried a header after Sanchez and Santi Cazorla combined on the counterattack, before Sigali gave the ball away in his own area to allow Monreal to lay the ball on a plate for an untracked Sanchez.
Ozil should have twice extended the lead before the break but was denied brilliantly by low saves from Eduardo and after the break the onslaught continued. Cazorla had his shot from range beaten away for a corner from which Giroud's header was shovelled away.
Alexandru Matel flashed a shot cross the face of the Arsenal box in the first effort of note from the visitors but it was a rare glimmer of ambition from Zoran Mamic' side, whose hopes of claiming a first win on English shores was becoming increasingly forlorn. The home side put the result beyond doubt with a quarter of the game remaining as Campbell slide the ball through to Sanchez, who rounded Eduardo to net his ninth goal of the season, to turn attention firmly to matters in Greece on two weeks' time.