Ajax v Lyon - As it happened
The end
An extremely entertaining fixture in Amsterdam. Ajax's youthful side were all-out attack to get four past Lopes. Traore scored a double as well as Younes and Dolberg. Valbuena scored a goal to give Lyon some hope going into the second leg.
Another save Lopes!
Great game from the keeper despite conceding four. He sticks a leg out to deny Ziyech.
4 added minutes
Dolberg is replaced by Neres
Younes makes way for Kluivert
Another chance Ajax!
The game wide open now in a celebration to attacking football. Lopes cleared behind Traore's shot.
Lacazette on for Cornet
Double chance Lyon!
Onana saves twice as Fekir took a first shot and Rafael volleyed at goal in the follow up.
Van de Beek is on for Schone
After this substitution Ajax's oldest player on the field is 24 years old. Youth!
Ajax get a fourth!
What an entertaining match, mainly thanks to Ajax's style of play. Traore is on the end of Ziyech's cross to restore the three-goal lead.
GOAL!
Rafael on for Jallet
Lyon close!
The French team with the chance to turn things in their favour. Onana pulled off a crucial save to deny Fekir.
Lyon back in this!
Jallet's cross was headed away, but only as far as Valbuena at the edge of the box. The little midfielder finished well with the inside of his foot. Lyon back in the fixture.
GOAL!
Traore shot saved!
It looks closer to a fourth from the Dutch side, and the winger fired at goal for Lopes to punch away.
Yellow card Traore
Ghezzal replaces Tousart
Lopes saves!
Dolberg let fly from outside the box and the keeper smuggled the ball away.
Chance Lyon!
The visitors desperately need a goal to stay in the fixture. Fekir curled the ball to the far post and Onana palmed away for a corner.
Ajax get a third!
Younes scores another. Terrible defending from Lyon, and the winger cuts inside the box to shoot. The strike takes a deflection and is cleared under the bar, but the ball crosses the line.
GOAL!
Lyon get the ball rolling!
We're back!
The players are back out. Lyon will hope for massive changes in the second half, while Ajax will try not to concede any goals at home.
Half time
No stoppage time. Lyon were begging for the break as they could not find an appropriate response to Ajax's surge. Goals from Traore and Dolberg give the home side the lead.
Chance Ajax!
The third goal looming. Through on goal, Younes tries to shoot into the near post, but Lopes saves.
What a first half from Ajax
A solid performance from the hosts. Attacking well and solidarity at the back.
Yellow card Gonalons
Ajax double their lead!
Ajax get a second, and it is young talent Dolberg. The youngster is through on goal, and a strong finish on the volley goes beyond Lopes.
GOAL!
Yellow card Valbuena
The central defender stopped the counterattack.
Ajax take control now
The home side undergoing a good few minutes and the crowd enjoying the show.
Ajax take the lead!
The match had begun calmly, but the hosts take the lead from a set piece. The powerful cross into the box from Ziyech, and Traeore gets the slightest of touches as the ball finds the bottom left corner.
GOAL!
Fekir shoots wide
The possession is still divided and Fekir tried to shoot from distance with his weaker foot, but the effort was off target.
First shot Ajax
De Ligt went for a left-footed shot from distance but the keeper blocked with ease.
First chance Lyon!
The vistors with a patient build-up, and the ball is played back for Cornet in the box. His shot is cleared for a corner.
Van Gaal in the stands
The former Ajax manager did not want to miss the semi-final.
Van gaal is de opstelling voor begin juni al aan het maken pic.twitter.com/5odq7oYlgc
— Tayana Mezenberg (@tamarmartina) 3 de mayo de 2017
Slow start to the game
The teams feeling each other out in the opening minutes and still no clear chances.
Ajax get the game underway!
The hosts get the ball rolling. Great atmosphere in the stadium as it is a holiday in Holland.
Everything ready at the Amsterdam Arena!
The players shake hand and kick off moments away!
Live updates of the Europa League semi-final first leg between Ajax and Lyon at the Amsterdam Arena.
Ajax: Onana; Tete, Riedewald, D. Sánchez, De Ligt; Klaassen, Schone; Traoré, Ziyech, Younes; Dolberg.
Lyon: Lopes; Jallet, Nkoulou, Diakhaby, Morel; Tousart, Gonalons; Cornet, Tolisso, Valbuena; Fekir.