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.

Arsenal dominated the early stages in the third and final friendly of their pre-season tour of Asia, but they were fortunate not to fall behind to their bitter foes in Hong Kong. Pedro Porro’s teasing corner crashed directly into the far post as miscommunication in the penalty area almost proved costly for the Gunners.