Real Madrid suffered a 3-2 defeat at home against Shakhtar Donetsk in their Champions League Group B opener on Wednesday.
The Ukrainian side raced into a 3-0 lead in the first half with a strike from Brazilian midfielder Tete, an own goal from Madrid defender Raphael Varane and a fine goal from Israeli forward Manor Solomon.
Luka Modric and substitute Vinicius Jr score Madrid's consolation goals in the second half.
Inter Milan were held to a 2-2 draw by Borussia Monchengladbach in the other Group B encounter.
Elsewhere, in Group A, defending champions Bayern Munich crushed Atletico Madrid 4-0 with winger Kingsley Coman scoring a brace, while Salzburg and Lokomotiv played out a 2-2 draw.
In Group C, Manchester City beat Porto 3-1 and Olympiakos overcame Marseille 1-0.
Meanwhile, in Group D, Liverpool edged Ajax 1-0 and Italian side Atalanta thrashed Denmark's Midtjylland 4-0.
Bangladesh humble Australia on day one of Darwin Test
Swiatek reaches her first final of season at Canadian Open
PSG retain UEFA Super Cup with win over Aston Villa
Americans Shelton, Nakashima to meet in Canadian Open final
Dalic named UAE coach after leaving Croatia
