Barcelona vs Villarreal - LIVE!
Ansu Fati notched a brace in Ronald Koeman's first league game in charge, while Lionel Messi also netted from the penalty spot against Unai Emery's side.
Pau Torres later scored an own goal as Barcelona made a strong start to their bid to regain the title they lost to Real Madrid last term.
Follow all the reaction LIVE with Standard Sport's Ben Hayward in Barcelona...
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Date, time and venue
Barcelona vs Villarreal is scheduled for an 8pm BST kick-off.
This match will be played behind closed doors at Camp Nou with no fans due to be present due to government guidelines regarding coronavirus.
How to watch
TV channel: UK viewers will be able to watch the match on Premier Sports, in conjunction with LaLigaTV, which holds the rights to show Spanish football across the United Kingdom and Ireland.
Viewers with a Sky subscription can sign up to watch LaLigaTV for free until October 15, while those who don't have the same time to sign up and stream matches on Premier Player.
Team news
Barcelona XI: Neto, Roberto, Lenglet, Pique, Alba, De Jong, Busquets, Coutinho, Messi, Griezmann, Ansu Fati
Substitutes: Inaki Pena, Arnau Tenas, Araujo, Mingo, Junior, Alena, Pjanic, Rafinha, Riqui Puig, Dembele, Pedri, Trincao
Villarreal XI: Asenjo; Mario, Abiol, Pau Torres, Estupinan; Moi, Parejo, Coquelin, Chukwueze; Gerard, Alcacer
Substitutes: Rulli, Funes Mori, Jaume Costa, Trigueros, Iborra, Lanchi, Kubo, Baena, Bacca, Fer Nino
Prediction: Barcelona 1-0 Villarreal
Though Barcelona have endured a turbulent summer after a difficult end to last season, it's difficult to look past a home win.
Indeed, there may still be unrest within the squad, with Messi publicly criticising the club for "throwing" Luis Suarez out and into the hands of rivals Atletico Madrid.
However, with Messi still in the team - and Koeman looking for his first Barca win - I'm expecting a narrow home win.
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3 mins: Neto, who starts in goal because Marc-Andre ter Stegen is still recovering from knee surgery in the summer, off his line to claim the ball under pressure from former Barcelona striker Paco Alcacer...
2 mins: Ansu Fati is on the left, with Philippe Coutinho on the right and Lionel Messi inside so far, behind Antoine Griezmann...
1 min: Barcelona, as expected, with the possession early on...
Under way at Camp Nou!
Barcelona start their season tonight, but Villarreal have played twice already. Unai Emery's side drew with Huesca on the opening day and beat Eibar 2-1 last weekend...
The players are in the tunnel at Camp Nou and the match will be under way in a few minutes...
Barca begin life without Luis Suarez
Barcelona play their first official game tonight since the sale of Luis Suarez to Atletico Madrid last Friday, for a deal which will bring the Catalan club just €6 million in variables (at the most).
Suarez scored 198 goals for Barca in his six seasons at Camp Nou and came off the bench to net twice for Atletico in a 6-1 win over Granada earlier on Sunday.
Photo: Getty Images
Koeman with three friendly wins ahead of official debut
Since Ronald Koeman arrived last month, Barca have beaten Nastic Tarragona, Girona and Elche in their warm-up matches under the Dutch coach.
The Blaugrana beat Nastic and Girona 3-1 apiece, before a 1-0 victory over promoted club Elche in the Gamper Trophy at Camp Nou last weekend.
Photo: Getty Images
Coutinho and Fati included in Koeman's first official line-up
Ronald Koeman takes charge of Barcelona tonight for the first time in an official match and the Dutch coach has picked Philippe Coutinho, Ansu Fati and Lionel Messi behind Antoine Griezmann in attack.
Coutinho is back at Barca for a second spell after spending last season on loan at Bayern Munich and winning the treble with the German side. He also featured - and scored twice - in the 8-2 quarter-final win over Barca.
Photo: Getty Images
Villarreal substitutes tonight: Rulli, Funes Mori, Jaume Costa, Trigueros, Iborra, Lanchi, Kubo, Baena, Bacca, Fer Nino.