Wojciech Szczesny believes Arsenal showed their true colours in Tuesday's scintillating first-half performance against AC Milan in the Champions League, and warned club rivals it represents a sign of things to come.

The 21-year-old Polish stopper praised his teammates for their spirited attempt to overturn the 4-0 deficit from the San Siro first leg, which resulted in a 4-3 aggregate scoreline at the Emirates Stadium.

Despite the overall result, Szczesny hopes the Gunners can take confidence from the midweek encounter, and says the club has laid down a marker for future European campaigns.

"I think we have sent a message to all the other teams that when we play at our best we can beat anyone in Europe," he told the club's official website. "I think teams will struggle against us if we keep playing like that.

"Hopefully next season in the Champions League we can achieve a little bit more than we did this time. It has been a great experience for many of us.

"For some it is our first season in the Champions League and I am sure we will use that next year to get a little bit further. For the players our ambition makes us really want to be there.

"This club deserves to be in the Champions League and we showed here that with performances like that we should be here every single season.

"I am confident we will get there in the end. The aim is to win every single game and if we can do that then good things will come for us."

Arsenal's attention now turns back to the Premier League, with Newcastle United set to visit the Emirates Stadium on Monday - another side challenging for European qualification. But, with three wins on the spin, and all against top-class opposition, Szczesny is confident the players can extend their good run of form.

"Our momentum keeps going," he continued. "We have won a couple of good games in the Premier League recently against Tottenham and Liverpool and we got a great win here.

"It wasn't enough but we still have the momentum and believe that we can play really well for the rest of the season."

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