BANGKOK (25 Dec 2008) – All that is separating Vietnam from their first ever Asean crown is 90 minutes and head coach Henrique Calisto believes that with their strength in unity, they can pull though in the second leg final of the AFF Suzuki Cup 2008 on Sunday.

While admitting that Thailand have the capacity to score an upset at the My Dinh Stadium in Hanoi, he said that his Vietnam side must pull together for the final onslaught.

"It will not be easy and everyone must realise that. We have only one half of the game (in Bangkok) and now, it is important that we look for the second half victory (in Hanoi)," said Calisto.

"The problem with playing with Thailand is to pass the pressure of the first 20 minutes when they come at you with all their might. If we can stick together and frustrate them, then we will have a chance of beating them.

"We have to further improve on the transition play – switching between defensive mode to attacking formation must be quick."

Vietnam have had a fairy tale run in the on-going AFF Suzuki Cup 2008 where after falling to Thailand in the first game of Group B in Phuket, the team went on to beat Malaysia and then Laos, the winning team from the qualifiers.

In the semi-finals, they outclasses an over-confident side from Singapore while last night, they proved that they can play anywhere when they beat Thailand 2-1 in Bangkok.

But Calisto is not about to be too overjoyed with the win where he wants the players to put their feet firmly on the ground and realised that they still have a job to do.

"The secret to the Vietnam team is unity. We have that sense of belief in the team and we play with a lot of heart," added Calisto.

"The morale in the team is good and I believe that only in the game of football can a lesser team beat a stronger team.

"But I think that Thailand will not give up that easily where I believe that they will play with everything they've got for the return tie in Hanoi."