Tottenham lost 1-0 at Ukraine's Dnipro Dnipropetrovsk in the first second of the Europa League's second round on Thursday night, a match that began after a minute of silence for victims of violent anti-government protests in Kiev this week,
Yevhen Konoplyanka scored for Dnipro on an 81st-minute penalty kick after Jan Vertonghen fouled Brazilian forward Matheus, drawing a yellow card.
Both teams in Dnipropetrovsk wore black armbands, as they did elsewhere in Ukraine, where Chornomorets Odessa tied 0-0 against Lyon, which fielded mainly inexperienced home-grown players.
Because of the protests, Dynamo Kiev's home match against Valencia was moved to Nicosia, Cyprus, where the Spanish team won on goals by Eduardo Vargas in the 79th and Sofiane Feghouli in the first minute of stoppage time.
Swansea was held to a 0-0 tie at home by Napoli.
Pablo Osvaldo scored in his Juventus debut and Paul Pogba added a goal in a 2-0 home win over Trabzonspor. Osvaldo, acquired on loan from Southampton, put Juventus ahead in the 16th minute at Turin, and Pogba added a goal in the fourth minute of second-half stoppage time.
Ajax, a four-time European champion, lost 3-0 at home to SV Salzburg. Jonathan Soriano converted a penalty kick in the 14th minute, Sadio Mane doubled the lead in the 21st and Soriano added a goal in the 35th.