LONDON: By cupping his ear and waving sarcastically, Tottenham manager Ange Postecoglou went head-first into a confrontation with his critics. Unfortunately, those critics were the club’s hard-core fans. Postecoglou, whose future at Tottenham has been looking increasingly uncertain in a tough season for the underperforming London team, might have gone a step too far Thursday when he appeared to goad his own supporters during the 1-0 loss at Chelsea — even though he later denied having that intention. Tottenham’s away contingent had serenaded Postecoglou with a chant of “You don’t know what you’re doing” after the combative Australian coach made two substitutions in the 64th minute at Stamford Bridge, including bringing on Pape Sarr to replace fellow midfielder Lucas Bergvall. Within five minutes, Sarr scored a goal from long range and Postecoglou reacted by facing the end containing Tottenham’s fans, cupping his hand to his ear and then waving. Unfortunately for Tottenham and Postecoglou, the goal was disallowed and Chelsea went on to secure a 1-0 win that consigned Spurs to a 16th loss in 30 Premier League games this season. Postecoglou was asked about his actions after Sarr’s “goal” and, in his unique style, said “I wanted them to be happy, mate.” “We’d just scored a cracking goal,” he said.