Tomas Soucek headed the visitors in front against the run of play at St James' Park and Aaron Wan-Bissaka grabbed a rare goal in the second half to double the Hammers' lead.

Newcastle were unable to capitalise on the chances they created, failing to build on the momentum created by recent wins against Arsenal and Nottingham Forest.

The result, only West Ham's second win on the road this season, lifts them to 15 points, just three behind 10th-placed Newcastle.

The home side made the early running and in-form forward Alexander Isak had the ball in the net in the fifth minute after a delicate dink over Lukasz Fabianski, only for it to be ruled out for offside.

West Ham, expected to face a tough test on Newcastle's home turf, showed little adventure in the opening stages.

But their first real foray up the pitch resulted in a corner and the unmarked Soucek powered home a header from close range in the 10th minute.

Newcastle enjoyed the bulk of the possession as a lively first half unfolded but West Ham were robust in defence and threatened when they went forward.

Anthony Gordon had a glorious chance to level after a poor clearance from Jean-Clair Todibo but fired straight at Fabianski.

Minutes later Isak chested down a superb cross from Bruno Guimaraes but steered narrowly wide on the stretch.

Eddie Howe's Newcastle were again on the front foot at the start of the second half but it was West Ham who doubled their lead through Wan-Bissaka.

The former Manchester United man scored his first goal for West Ham and just his third career goal after picking up Jarrod Bowen's pass and firing home.

Howe brought on Jacob Murphy and Callum Wilson in a bid to turn the tide but Newcastle failed to build up a head of steam against their determined opponents, who saw out the game with relative ease.

The result will be a huge relief for Lopetegui, whose future has been a matter of mounting speculation just months after he replaced David Moyes.