The Arsenal midfielder says his side have a "100 per cent" chance of turning over a two-goal deficit at the Allianz Arena to reach the Champions League quarter-finalsAlex Oxlade-Chamberlain says Bayern Munich know Arsenal are not out of their Champions League last 16 tie despite a first leg defeat.
Bayern hold a two-goal advantage going into the second leg after winning 2-0 at the Emirates Stadium, courtesy of goals from Toni Kroos and Thomas Muller.
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"Last season we went there 3-1 down and everyone wrote us off but we managed to get a good 2-0 win there," he told the club's official website. "We'll be feeling we can take something from that and in football a lot of things can happen.
"There is a 100 per cent chance we can do it. We are a top side, they will know the job's not done and we know the job's not done."
Oxlade-Chamberlain is also relishing the prospect of a first trip to Wembley with Arsenal after the Gunners beat Everton 4-1 to reach the FA Cup semi-finals, where they will face Wigan.
"You watch FA Cup games at Wembley when you are growing up and that's where you want to be," he added. "It's the first time we've been there since I've been at Arsenal so it's definitely a big thing for us.
"But we can't get carried away, we want to be excited but approach it very professionally and be as calm and cool as we can.
"Hopefully we can get through and get to the final."