The Spurs boss wasn't too pleased after a missed call awarded Arsenal a corner kick, followed by a goal, to spark the Gunners' north London derby comeback.
After the 2-1 defeat to Arsenal in another hotly contested North London derby that got away, Tottenham manager Ange Postecoglou cut a dejected figure.
Tottenham boss Ange Postecoglou knows how much the north London derby against Arsenal means to the club.
Heung-Min Son gave Tottenham the lead against the run of play but Dominic Solankes own goal and Leandro Trossards strike turned it around as Arsenal narrowed the gap on Premier League leaders Liverpool;
Ange Postecoglou bemoaned Tottenham's loss record after they fell to another North London derby defeat, calling their 11 defeats this season "unacceptable".
Following a north London derby, where Arsenal moved to within four points of Premier League leaders Liverpool and Tottenham moved closer to the relegation zone than the top four.
Tottenham are without a win in four Premier League matches, but Ange Postecoglou hopes his players will be inspired against Arsenal.
Arsenal have added Gabriel Jesus to lengthening injury list which includes Bukayo Saka; Tottenham have had own injury crisis this season; follow latest updates from the North London derby in live blog on the Sky Sports app,
There is never a good time to lose a north London derby but for both Mikel Arteta and Ange Postecoglou a defeat on Wednesday would only serve to further rile fanbases whose murmurs of discontent have grown more audible.
Tottenham have been given a huge injury boost with Richarlison set to be available for Wednesday’s north London derby at Arsenal. Richarlison has not played since he sustained a muscle injury during a 4-1 win over Aston Villa in November.
Ange Postecoglou has said Tottenham were ‘nowhere near good enough’ after losing 2-1 to Arsenal in the North London derby.Spurs’ poor form continued at Arsenal as Postecoglou’s side extended
Ange Postecoglou is coming under pressure after the North London Derby defeat to Arsenal left Tottenham sitting just eight points above the Premier League's relegation zone