Arsenal: Ramsdale, White, Kiwior, Gabriel, Tierney; Jorginho (Partey, 60), Xhaka (Nelson, 60), Odegaard (Smith Rowe, 77); Saka, Martinelli (Trossard, 19), Jesus (Nketiah, 77)
Unused subs: Vieira, Turner, Holding, Walters
Brighton: Steele, Gross, Colwill, Dunk, Estupinan; Caicedo, Mac Allister, Gilmour (Welbeck, 60); Encisco (Undav, 82), Mitoma, Ferguson (Buonatte, 77)
Unused subs: Ayari, Moran, Peupion, McGill, van Hecke, Offiah
Goals: Enciso (51) Undav (86)
Bookings: Estupinan, Gross