Coventry City manager Frank Lampard told BBC CWR:
"It was a good performance. I don't need to dwell on the mistakes too much but the performance was good.
"We couldn't break the deadlock because they defended their box so well, but we did everything we could for large parts of the game without maybe that little end bit.
"It didn't happen and so we go again. The game may look different on Tuesday and it may feel different at their stadium whether they play the same way.
"But I'm proud of the players, we obviously didn't get the result we deserved and we didn't deserve to lose, but we can't drop our heads and understand there's loads to play for."
Sunderland head coach Regis Le Bris told BBC Radio Newcastle:
"It was a tough game, Coventry played really good football.
"We decided to play with two forwards, so we accepted their domination in midfield.
"We felt early in the second half they played different kinds of balls and it was now possible to escape the pressure and create the link with our strikers and it worked well.
"We'll have another tough game at home, so it's not done.
"It's really clear the mindset in the dressing room. No complacency. We know we'll have another tough game, another scenario, difficult opponent, so let's reset."