Alexander Isak scored the winner as Newcastle came from behind to beat Tottenham 2-1.
Dominic Solanke had given Tottenham the lead after just four minutes, with Anthony Gordon equalising for Newcastle two minutes later.
Isak then made the decisive impact in the 38th minute.
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Alexander Isak scored the winner as Newcastle came from behind to beat Tottenham 2-1
Isak netted what proved to be the decisive goal of the game in the 38th minute
There was further frustration for Ange Postecoglou as his Tottenham side were beaten
Dominic Solanke celebrates after he gave Tottenham the lead with just four minutes gone
Tottenham's lead only lasted two minutes before Anthony Gordon equalised for Newcastle
MATCH FACTS
Tottenham: Austin, Porro, Dragusin, Gray, Spence, Bergvall, Sarr, Johnson, Kulusevski, Werner, Solanke
Newcastle: Dubravka, Livramento, Botman, Burn, Hall, Guimaraes, Tonali, Joelinton, Murphy, Isak, Gordon
Brandon Austin made his Tottenham debut with Fraser Forster missing out due to illness
New England boss Thomas Tuchel and assistant Anthony Barry were in attendance