Arsenal manager Unai Emery was left frustrated by his side's lack of cutting edge in their 2-0 EFL Cup defeat to bitter rivals Tottenham on Wednesday night.
Speaking to Sky Sports (via football365) after the game, Emery explained: "I think we worked like we want, like we prepared. We created chances in the first half to score but our efficiency wasn’t good for us.
“We are doing our process, they are ahead of us in their process.
Emery was also full of praise for holding midfielder Granit Xhaka, who was deployed in an unfamiliar centre-back role with Laurent Koscielny on the bench.
“They are helping us with their commitment, playing in a different position because the team needs them.
"It was tactical. I thought the players today with us were the best for this match.
“I am thinking of the match, I am not thinking about another situation.