Genk Subs: McKenzie, Sadick, Ndayishimiye, Toma, Geusens, Eiting, Ugbo, Oyen, Paintsil, Chambaere, Nemeth, Leysen.
Genk: Vandevoordt, Arteaga, Ito, Heynen, Bongonda, Hrosovsky, Onuachu, Lucumi, Thorstvedt, Cuesta, Preciado.
Subs: Fabianski, Randolph, Ashby, Zouma, Masuaku, Fredericks, Ogbonna, Noble, Chesters, Benrahma, Fornals.
Lineups for the game is as follows; West Ham: Areola, Johnson, Diop, Dawson, Cresswell, Rice (c), Soucek, Lanzini, Vlasic, Yarmolenko, Bowen.
Hello and welcome to our coverage of the Europa League as West Ham prepare to play against Genk.
West Ham have started the game confidently as they are stringing passes together.
Now Genk are starting to press. They look like they are trying to pick out Paul Onuachu who enters the game in good form.
Johnson receives the ball and misses a clear opportunity.
Offside. Bondongo headed the ball into the net but the referee disallowed the goal for offside.
Areola comes out of his box to make a vital interception as Bongonda again found a long ball, beating the West Ham backline.
Genk's pace does look like it is causing some problems for West Ham.
Lanzini whips in a cross but the Genk defence quickly deals with it.
Johnson and Bowen are looking the most promising for West Ham but they are not breaking through the Genk backline.
Soucek sends in a cross but none of his West Ham team-mates are there to meet it.
Johnson produces some good work, sending the ball towards Bowen but he hits the air.
Score Update: West Ham 0-0 Genk. Frustration for Moyes' side so far this evening.
Johnson works a shot after a cross from Bowen but he's wide.
Cresswell sends in a cross towards the back-post which is met by Dawson but he blasts over.
Arteaga whips in a cross which Onuachu meets but his shot is wide.
Lucky! Areola misses a corner allowing Onuachu a free-header but the Genk striker misses.
Johnson's cross is cleared before Bowen has a shot blocked by Cuesta.
Soucek heads over under pressure following a cross from Cresswell.
+2 HALF TIME: West Ham 1-0 Genk
+1 GOAL! WEST HAM! Dawson! An excellent cross from Cresswell is met by Dawson who gets the ball into the net via his shoulder. West Ham 1-0 Genk.
There will be two minutes of first half stoppage time.
Genk make a change as Cuesta is off and replaced by Sadick.
West Ham get the second half up and running.
There is not much going on so far this half as the ball is mainly confined to midfield.
Preciado whips in a cross which is turned towards goal by Ito. Areola makes an easy save.
Yarmolenko shoots from outside the area but its wide.
A West Ham corner misses Soucek. Yarmolenko then cuts from inside and blasts over.
GOAL! WEST HAM! DIOP! Diop rises and heads home a free-kick taken by Cresswell. West Ham 2-0 Genk.
GOAL! WEST HAM! BOWEN! Bowen unleashes a powerful shot which goes beyond Genk goalie Vandervoordt. West Ham 3-0 Genk.
Vlasic was unmarked following a Yarmolenko layoff. Vandervoordt produces a good save to prevent his side from conceding a fourth.
Sadick produces some good defending to head away Cresswell's cross.
There is a stoppage in play as Dawson is in pain.
West Ham make a double change. Noble is on for Rice while Fredericks is on for Cresswell.
Score Update: West Ham 3-0 Genk. West Ham are cruising in this game.
Genk make a double change. Bongonda and Onuachu are replaced by Trésor and Ugbo.
Ugbo tries a shot. It's not bad but is wide.
Ito gets the ball in a promising area for Genk but can't get past the West Ham defence.
West Ham make some changes. Bowen is off for Benrahma and Vlasic for Fornals.
Genk make a change. Oyen replaces Ito
A long-ball from Soucek just fails to reach Lanzini. Hrosovsky clears away the danger.
West Ham make a change as Lanzini is on for Chester.
Preciado produces a header following a cross from Benrahma.
+2 Full Time: West Ham 3-0 Genk.
There will be two minutes of second half stoppage time.