Arsenal striker Alexandre Lacazette scores brace as Gareth Barry's record-breaking night ends in defeat

That is it from me for tonight, thanks for following along and keep your eyes peeled for post-match reaction from IBTimes UK's man on the ground, Eduardo Fernandez-Abascal.

We will be back tomorrow evening to bring you live coverage of matchday two of the Champions League, with Tottenham, Liverpool, Manchester City and holders Real Madrid all in action.

Until then, it's goodbye.

Arsenal now sit seventh in the Premier League table, one point adrift of the top four and six behind leaders Manchester City. They host newly-promoted Brighton next after a long Europa League trip to Belarus on Thursday evening.

West Brom, meanwhile, have now gone five matches without a win in all competitions and lie 12th before Saturday's visit of Watford to The Hawthorns.

A fairly routine win in the end for Arsenal, who maintain their 100% home record in 2017-18 and rack up a seventh successive Premier League victory on their own turf.

They lived very dangerously during an eventful first half, but totally controlled proceedings after the interval and got the second goal they needed to put the game to bed.

Pulis is likely to fume about referee Madley's decision not to award his team a penalty at 0-0. His overall record at the Emirates Stadium now stands at 10 defeats from 10 matches, with 22 goals conceded and only three scored.

Indeed, West Brom have now lost each of their last seven visits to this ground.

Full-time

Arsenal 2-0 West Brom

Rondon is fouled and Maitland-Niles finally replaces Ramsey. The versatile 20-year-old will only be on the pitch for a matter of seconds.

Maitland-Niles has been waiting patiently to enter the fray for a while but it does not look like he'll get that opportunity with time running out.

Ramsey shoots straight at Foster after being teed up by Giroud. Three minutes of added time to be played at the Emirates.

Giroud takes down a great pass from Elneny and sets up Xhaka for a shot that is drilled over the crossbar.

Five minutes plus stoppage time remaining and West Brom, despite their first half efforts, now look well beaten. They have not been able to muster the same sort of enthusiasm after the break and the second goal killed this as a contest.

Arsenal work the short corner and Bellerin's powerful shot is deflected behind by the head of Rodriguez.

Wenger does finally look to his bench in the final 10 minutes, sending on Giroud and Ozil in place of Lacazette and Sanchez.

The home fans call for a second yellow for Dawson after the West Brom defender commits another foul on Sanchez.

Referee Madley instead opts for a final warning.

Krychowiak dispossesses Monreal with a well-timed sliding challenge. Sanchez then curls an effort straight at Foster.

Still no changes from Wenger, who must be content with what he is seeing. Arsenal travel to BATE Borisov in the Europa League on Thursday before hosting Brighton on Sunday lunchtime.

Sanchez with an exquisite touch and pass under severe pressure from Dawson. Xhaka then lets fly from distance but fails to test Foster.

Phillips for Nyom is West Brom's final change.

Looking for his first hat-trick in English football, Lacazette takes down Sanchez's cross before firing into row z from a tight angle.

Cech then thwarts Rondon's purposeful run at the other end.

Reliable. That was also Arsenal's 100th penalty in the Premier League, per Opta Sports.

Foster guesses correctly low to his left, but is unable to get a hand to Lacazette's well-struck effort into the bottom corner.

Some much-needed breathing space for Arsenal with just over 20 minutes remaining. West Brom now have a mountain to climb.

Goal: Arsenal 2-0 West Brom (Alexandre Lacazette)

Ramsey turns Nyom down the Arsenal left and is then unceremoniously barged over by the Cameroonian right-back.

Lacazette steps up from 12 yards...

Penalty to Arsenal

A second substitution in quick succession for West Brom. Salomon Rondon, who has scored only one goal in his last 25 appearances, replaces Robson-Kanu.

Pulis' first change of the evening sees Livermore make way for Scotland midfielder Morrison.

Decisive goalkeeping from Cech to come out and emphatically punch clear a West Brom free-kick.

Lovely skill from Sanchez to shake off the attentions of Livermore. Ramsey is unable to bring down his subsequent cross and the ball makes its way back to Foster off Evans.

Closing in on the hour mark at a subdued Emirates Stadium and Arsenal still hold that slender lead.

Not nearly as much attacking intent displayed by West Brom in the first 15 minutes of this second half.

Krychowiak fouls Elneny down the Arsenal left and is belatedly booked for his troubles. West Brom now up to three yellows.

Nyom concedes another corner and a quick front-post delivery from Sanchez is met by an inventive flick from Mustafi. Foster holds.

Vital block from Gibbs to deny Lacazette in the West Brom box after good work from Elneny and incisive link-up play between Sanchez and Kolasinac.

Dawson goes in late on Sanchez and joins the Chilean and Evans in the referee's notebook.

After a period of patient passing from Arsenal, Bellerin receives possession from Lacazette out on the right-hand flank and whips in an enticing low ball that fizzes across the six-yard box before falling safe.

The second half is underway. No changes from Wenger or Pulis just yet.

Lacazette's header is the difference on Barry's 633rd Premier League appearance, although Arsenal have certainly not had everything their own way thus far.

West Brom have approached the game in positive fashion and created numerous opportunities. They should surely have have a penalty at 0-0.

Half-time

Arsenal 1-0 West Brom

Gibbs' subsequent corner is cleared by Mustafi, but West Brom keep the attack alive and Krychowiak produces another fine pass that is helped on by Gibbs.

Barry sends the ball goalwards and Rodriguez almost scrambles it in with Cech floundering.

Arsenal are living very dangerously indeed here. One minute of additional time signalled.

Dawson is blocked off by Kolasinac, leading to a free-kick decision that is furiously protested by Sanchez. The Chilean receives a yellow card for dissent and captain Laurent Koscielny is called over to calm his teammate down.

Gibbs waits a long time before floating in a ball from the right that is headed behind by Lacazette.

Robson-Kanu rises to meet Nyom's right-wing cross and Rodriguez comes agonisingly close to getting the final touch. The former Southampton forward will be wondering how he hasn't scored in this first half.

Elneny is caught in possession by the determined Krychowiak and Rodriguez shoots wide of Cech's right-hand post.

Definite signs of life from West Brom after their positive start was ruined by the goal.

Krychowiak bursts forward for West Brom and provides a perfect back-post cross for Rodriguez, whose header lacks the requisite power and is sensationally cleared off the line by Monreal.

That should have been a goal.

Evans treads on Lacazette's foot and gives away another free-kick in addition to receiving a yellow card.

This time Sanchez's right-footed attempt curls wide. Pulis will be incensed at the number of fouls being committed by his players in those sorts of areas.

Something to be addressed at half-time, for sure.

Nyom concedes the corner and Krychowiak takes an enormous risk by clearly pulling the shirt of Sanchez. He wants a penalty, but the referee is not interested.

Sanchez produces a peach of a pass to pick out the darting run of Ramsey, who stays on his feet under the challenge of Foster before going wide and producing a cross that is gratefully intercepted by the goalkeeper.

Nacho Monreal skips past Evans after collecting a clever lofted pass from Sanchez and keeps going before eventually being stopped in his tracks by Nyom as he looked to get a shot away.

No appeals, but that also could easily have been a penalty.

A couple of promising Arsenal attacks break down, the second after fine interplay between Elneny and Kolasinac.

Foster does brilliantly to parry Sanchez's initial effort, but Lacazette is on hand to head home the rebound from close range and become the first Gunners player to score in his first three home matches since Brian Marwood in 1988.

Harsh on West Brom, who had started the game well and definitely should have had a penalty. Evans will be ruing that silly foul on Elneny that led to the free-kick.

Goal: Arsenal 1-0 West Brom (Alexandre Lacazette)

Arsenal win another free-kick in a dangerous position after Elneny is fouled by Evans.

Xhaka and Sanchez stand over the ball...

Sead Kolasinac outmuscles Nyom after a wretched pass from Xhaka. A rogue Arsenal pass then sails out of play deep inside their own half.

It's been an uncertain start from the Gunners, with West Brom looking surprisingly assured and ambitious.

Elneny and Hector Bellerin combine to set up Ramsey for a header that lands on the roof of the net.

At the other end, Gibbs looks to take advantage of a poor clearance from Bellerin and lashes a left-footed effort well wide.

Dumbfounded as to how that was not a penalty, unless they have changed the advantage rule.

West Brom would surely have rather had the spot-kick. Was Rodriguez too honest? Controversial.

What a chance for West Brom to take an early lead.

Barry releases Jay Rodriguez with a fine long pass and the striker is taken down as he attempts to cut inside Shkodran Mustafi.

It looks a stonewall penalty, but Rodriguez gets back up and produces a low strike that is pushed against the base of the post by the fingertips of Petr Cech. Livermore then sends the rebound wide.

Lacazette and Sanchez combine nicely before the latter is pushed to the ground by Dawson.

Ben Foster is rooted to the spot as Sanchez's subsequent free-kick flies narrowly wide of the far post.

The first corner of the game is won by Sanchez. Granit Xhaka's initial delivery is cleared by Robson-Kanu before Dawson rises highest to meet another dangerous ball into the West Brom area.

The final game of matchweek six in the Premier League is off and running. Arsenal will kick from left to right in this first half.

The teams have emerged from the tunnel, pre-match pleasantries are over and we are just about ready to get underway.

Robert Madley is your match referee. Both sides are decked out in their familiar home kits.

It looks like West Brom are sticking with the 5-3-2/3-5-2 formation they deployed against City last week. They typically tend to use a 4-2-3-1/4-1-4-1 system in the Premier League.

Pulis had this to say on the player whom he brought to West Brom in July for an undisclosed fee...

It is a remarkable achievement, I personally don't think it will get beaten. I think he'll hold that for a long time. And he deserves it, he's been a fantastic player from a distance.

Bringing him into the club, seeing him work and being around him, I can see why other managers, other supporters and other clubs have really taken to him.

Knowing Gareth he'll be more concerned about playing and trying to win a game of football without all that stuff going on behind him.

Here's what Wenger, a man who certainly knows a thing or two about Premier League longevity and wanted to sign the player before his move to City in 2009, said about Barry's achievement...

Usual West Brom captain Jonny Evans does start, although Pulis has opted to hand the armband to Barry on his record-breaking night.

He is partnered in midfield by the returning Livermore and Paris Saint-Germain loanee Grzegorz Krychowiak, with Brunt, who has made 349 appearances for the Baggies since joining from Sheffield Wednesday a decade ago, on the bench. Chadli and summer signing Burke both miss out.

Robson-Kanu and Allan Nyom each retain their starting berths after that cup defeat to City, with Claudio Yacob and James Morrison on the bench alongside Matty Phillips.

No place in the matchday 18 for Gareth McAuley, who is said to have travelled with the squad to north London before being overlooked in favour of Ahmed Hegazi. Kieran Gibbs features from the off against his former employers.

Sanchez and Alexandre Lacazette begin together for the first time for Arsenal, with the former making his 100th Premier League start and the latter seeking to become the first Gunners player to score in his first three home matches since Brian Marwood in 1988.

Ozil is only deemed fit enough to be a substitute despite several days of first-team training, meaning that Aaron Ramsey is afforded the chance to play in a more advanced role.

Wenger's starting XI shows two changes from the last Premier League outing, a confidence-boosting goalless draw at Chelsea, with Welbeck and Alex Iwobi, who is not even named in the squad, replaced by Sanchez and Mohamed Elneny.

David Ospina, Per Mertesacker, Ainsley Maitland-Niles, Jack Wilshere, Walcott and Olivier Giroud all drop to the bench after starting the 1-0 cup win over Doncaster Rovers.

Stand by for official team news...

West Brom's only previous win at the Emirates came back in September 2010 under the management of Roberto Di Matteo, when goals from Peter Odemwingie, Gonzalo Jara and Jerome Thomas secured a surprise 3-2 triumph. Samri Nasri's late brace proved to be in vain for the hosts.

The Baggies also won the last meeting between these two sides in March 3-1. On that occasion, a headed double from Craig Dawson and an effort from substitute Hal Robson-Kanu condemned crisis-stricken Arsenal to a fourth defeat in five league outings.

That was the day that two banners - one anti-Wenger and one pro-Wenger - were flown over the The Hawthorns and the travelling Arsenal support made their opposition to the Frenchman's management abundantly clear by booing his substitution of the injured Alexis Sanchez and holding up various placards.

Jake Livermore is set to feature for West Brom after being rested for that aforementioned draw with West Ham and the 2-1 Carabao Cup third-round defeat to Manchester City.

Pulis claimed last week that Chris Brunt (calf), Nacer Chadli (thigh) and Oliver Burke (hamstring) would all need to be assessed in the days leading up to the game.

Arsene Wenger should welcome both Mesut Ozil and Theo Walcott back from injury tonight, although Danny Welbeck (groin) and Calum Chambers (hip) will be out until after the next international break.

Francis Coquelin remains sidelined with a hamstring problem, while long-term absentee Santi Cazorla is not expected to return until the New Year.

"To finally reach that landmark and go top of the list of all players in the Premier League, it's going to be a brilliant moment when I do it."

All eyes will be on Gareth Barry during a Monday night meeting between Arsenal and West Brom, with the 36-year-old midfielder, formerly of Aston Villa, Manchester City, Everton and England, set to make history by becoming the English top-flight's all-time leading appearance maker.

Barry, who says he could play on until his 40s, equalled the previous record holder, Ryan Giggs, by playing 90 minutes of a goalless draw with West Ham last weekend and is set to make it outing number 633 at the Emirates Stadium this evening.

Whether he manages to help mark such an impressive milestone with a victory has to be considered doubtful, however. West Brom, currently on a three-match winless run in the league after winning both of their opening games, have tasted defeat on all of their last six visits to Arsenal, scoring just one goal in the process.

The Baggies have won only one of their 11 Premier League away matches in 2017 and come up against a Gunners side that are looking to maintain their 100% record at home so far this term and chalk up a seventh successive league win on their own patch.

It is also worth mentioning that manager Tony Pulis has not picked up a single point from nine previous visits to this ground, with those matches yielding a combined score of 20-3. Ouch.

Stay tuned for a match preview and all the latest team news. Official lineups should drop around an hour before kick-off at 19.00 BST and we will also have minute-by-minute updates after proceedings are underway.