The Spurs midfielder scored the game’s only goal in the 45th minute, spotting David Raya off his line and lobbing him from a long, long way out. There was a decent tempo to the game in the first half but both sides lost their rhythm a little in the second.

Tottenham clinched a narrow 1-0 victory over bitter rivals Arsenal in a pre-season friendly on Thursday. Scorers: Sarr 45'The North London clubs battled it out at Kai Tak Sports Park as preparations

Viktor Gyokeres came on in the 77th minute to make a hotly anticipated debut just five days after signing, but struggled to influence proceedings as Arsenal desperately searched for an equaliser. Expectations are understandably high after the Gunners spent £63.