By Ewan Murray Tottenham Hotspur have travelled to Asia as part of their pre-season preparations and will face Japanese side Vissel Kobe in a friendly this Saturday. Spurs have been busy in pre-season already with three matches under their belts. Ange Postecoglou’s side have run out victors in all of their outings, starting with a behind-closed-doors triumph over Cambridge United and followed up by 5-1 and 2-0 wins over Hearts and Queens Park Rangers respectively. The Lilywhites haven’t been tested too thoroughly in their friendlies but should be offered a sterner challenge by Vissel Kobe. The…