Fernando Torres opened the scoring but Hugo Rodallega made it a 1-1 draw.
“You look at the performance and you feel we dropped two points,” Martinez told Sky Sports.
“Sometimes you need that luck and at the moment we are not getting any of that.
“But after a performance like tonight it’s just a matter of time before things come together.”
Wigan were on a two-match losing run ahead of the clash with Liverpool.
“It would have been easy to fold or capitulate or let Liverpool control the game but we stopped that,” said the Spaniard.
“We had to use extra energy and that reaction in the last 20 minutes of the first half and the whole second half I felt we were the better side.
“And to say that against a Liverpool side full of confidence is a huge compliment and the amount of chances we created is extremely pleasing and I’m very proud of the players.”
