Alex Iwobi started on the bench during Everton’s 2-1 victory over Southampton on Saturday.
The Nigerian international was brought in to replace former Arsenal colleague, Theo Walcott, in the 74th minute of the match just before his team netted the winning goal.
Southampton were hoping to gain ground over their opponents who had started the day fourth-bottom of the table. Instead, the visitors claimed their first away win of the season to climb up from 17th to 13th, a place and a point ahead of Manchester United, who host Brighton on Sunday.
“The first half was horrible. No-one wanted the ball any more. You could feel the lack of self confidence,” Hasenhüttl said.
“It took us until the second half to get positive body language. The second half was OK. We went very offensive and it gave us a little more quality but you expose the defence and the goal killed us.
“It is not a nice situation. I can guarantee the players try to fight to win games. At the moment we are not good enough.”
Tom Davies put the visitors in charge, heading in from close range following Gylfi Sigurdsson’s corner but Marco Silva’s side were also guilty of wasting several good chances.
That allowed the hosts to hit back with substitute Sofiane Boufal laying on a tap-in for Danny Ings to equalise.
But Everton, without the injured Andre Gomes, took the points, with Richarlison turning in Djibril Sidibe’s right-wing cross from six yards out in the 75th minute.
“It [the win] was really important for us. All of us inside the club want to be in a different position but you have to look for a different picture,” Silva said.
“In all the games it is difficult to find one team who is better than ourselves. Pressure – never. It is a privilege to be at Everton Football Club. Many things have come against us but we will keep fighting.