Bournemouth lead Man Utd 2-0 at Old Trafford at half-time after goals from Rayan and Marcus Tavernier put the visitors in a commanding position before the break.
Rayan opened the scoring in the 38th minute, finding himself unmarked before calmly finishing into the back of the net. The goal gave Bournemouth the advantage with seven minutes of the first half remaining.
Bournemouth then doubled their lead in the 43rd minute. Adrien Truffert delivered the ball across the area for Marcus Tavernier, who was left with a simple tap-in to make it 2-0.
Man Utd were unable to respond before the interval and face a second-half deficit after conceding twice in the closing stages of the opening period.
Line-ups
Man Utd started with Senne Lammens in goal and a defensive group of Diogo Dalot, Yoro, Ayden Heaven and Harry Maguire. The midfield included Youri Tielemans, Mason Mount, Andrey Santos and Carlos Baleba, while Bryan Mbeumo and Amad Diallo Traore formed part of the attacking line-up.
Man Utd substitutes: Darlow, Bruno Fernandes, Mazraoui, De Ligt, Lisandro Martinez, Matheus Cunha, Zirkzee, Shea Lacey and Tyler Fletcher.
Bournemouth named Djordje Petrovic as their goalkeeper, with Smith, James Hill, Antonio Silva and Adrien Truffert in the defensive unit. Lewis Cook and Tyler Adams were included in midfield, alongside Marcus Tavernier and Justin Kluivert, while Evanilson and Rayan led the attack.
Bournemouth substitutes: Ryan Christie, Brooks, Di Gregorio, Bafode Diakite, Adli, Alvaro Rodriguez, Ben Gannon-Doak, Junior Kroupi and Julio Soler.