Webber cannot get the ball under control on the edge of the box and Upson clears the danger.

It is Portsmouth who look the most likely to grab a winner as the fourth official indicates four minutes of added time.

The hosts are going all out for the win now and Boateng hits an ambitious effort from 25-yards, failing to trouble Green.

Cole turns Kaboul and peels into the box before striking a wild effort wide of the mark.

The game has turned in Portsmouth's favour now and super-sub Webber's deft flick almost creeps in under Green's crossbar.

The first action from Da Costa is at the other end as he strikes a half-volley wide of Begovic's goal.

Tomkins picked up an injury in the build up to the goal and does not look as though he will be able to continue.

A Behrami snap-shot misses the target following good work from Cole.

Basinas causes problems from another corner and Kaboul's towering header falls into the arms of Green.

Pompey have not learnt from their mistakes and fail to pick up runners again from a set-piece but this time Tomkins' header is wide of the mark.

A cross evades everyone in the box and comes to Utaka at the far post and pulls his shot into the side netting.

Carlton Cole has been prowling the touchline warming up for the last ten minutes and looks eager to get on the pitch.

There are shouts of handball as a West Ham shirt blocks a Boateng shot, but Andre Marriner has a good view of it and waves play on.

Nouble is picked out inside the box but Begovic is quick off his line to block the shot.

Wilson misses a glorious opportunity as he heads a Basinas corner over the bar from six yards.

Nouble has made a real nuisance of himself up-front and is causing plenty of problems.

A great break from West Ham and Nouble is involved again, slipping a pass through to Behrami who drags his shot wide of Begovic's post.

The visitors are pursuing their second goal and have their tails up with the opponents failing to come up with anything in response.

Nouble holds off his marker and gets a cross into the box but Hreidarsson clears the danger.

Tomkins' header drops to Boateng on the edge of the box but Noble does well to diffuse the opportunity.

Utaka pulls away from the defence butt his ball across the face of goal is not read by Piquionne and the chance goes begging.

The defence opens up as Utaka bursts forwards and plays through Boateng who fails to get the ball under control.

A speculative 30-yard effort from Basinas sails straight into the arms of Green.

The game has dried up in terms of chances and the home fans are becoming frustrated as another move breaks down in the final third.

The pitch at Fratton Park is very sticky and seems to be making passing difficult.

Nouble's flick-on finds Diamanti who tries to turn his marker but runs into trouble.

Noble throws himself in the way of a Piquionne shot and picks up an injury for his efforts.

Noble looks for Nouble who has made a run but Kaboul shadows the ball into the path of Begovic.

Everything is very narrow from Portsmouth and they are not causing the visitors too many problems.

Diamanti cuts in from the right flank and bends a shot around the far post with Begovic just off his line.

Jonathan Spector makes a run and searches out Nouble inside the box but Kaboul reads the pass.

Behrami and Kovac are making life very difficult for Basinas and Mullins and the central midfield battle is giving West Ham the edge..

Frank Nouble is involved in a superb West Ham move down the left flank. He slides a pass through to Jack Collison inside the box and Begovic somehow gets a hand to his low shot.

Begovic pulls off a fantastic double save to firstly deny Nouble from a one-on-one opportunity and then turn a curling Diamanti effort around the far post.

Diamanti lets fly from outside the box but he makes a mess of it and sends his effort into row Z.

Great move from Pompey as John Utaka links up with Hermann Hreidarsson who slides an inviting ball across the face of goal for Piquionne, but he cannot connect with the loose ball.

The Portsmouth defence fail to deal with a bouncing ball and Nouble looks to get the ball under control before Younes Kaboul recovers to clear the danger.

Alessandro Diamanti swings a corner into the box but it is too close to Begovic who collects the cross.

West Ham are seeing a lot of the ball in the centre of the park with the five man midfield but lack options up-front with Nouble isolated.

The visitors look the most comfortable on the ball as Portsmouth, who are playing their first Premiership game of 2010, have not really got going.

Frank Nouble shows some good movement on the flank and gets a cross into the box but Asmir Begovic plucks the ball out of the air.

Valon Behrami latches onto a loose ball and blazes a left-footed strike over the bar.

There is a renews sense of optimism around Fratton Park following the weekend win over Sunderland but their opponents will be hoping to make things difficult for them tonight.

Matthew Upson allows a long ball to run through and Frederic Piquionne almost latches onto it but Rob Green spares his skipper's blushes.

The pace is electric in the opening stages and West Ham will be desperate to start the new era of ownership with a win.