David Wagner has said that he will have almost the same squad available for the visit of Leeds United as the final day against Birmingham City.
Christian Fassnacht, who missed the trip to St Andrew's due to an injury precaution, has trained fully while Ashley Barnes has progressed well in his recovery.
"Like expected, Fasi full in training, (Jonny) Rowe full in training, (Ashley) Barnesy will miss the first leg. Onel (Hernández) and (Liam) Gibbsy are ruled out for a while," Wagner said.
"(Shane Duffy) trained as normal. The club made a statement, it's a legal process now and we'll assess it internally. He has been in full training."
In terms of the squad's preparation for the game, Wagner outlined how different players would feel the excitement of a big game in different ways during the build-up.
"Some get excited three days before the game, some get excited when we go for our pre-match meal. We need to keep everyone calm and focused. Then the excitement will start.
"One of our first targets was top six, fighting for promotion. That first step is done. We had some exciting games already where the players delivered, the derbies, must-win games. That gives us trust and belief that we can deliver again.
"We've always done the same and that's what we'll do again, focus on the detail. Irrelevant stuff you have to keep out, get our messages across. We'll only have a chance if we do it together, on the pitch and in the stands."
Leeds United stand in the way of Norwich City and a potential play-off final at Wembley.
The second leg will take place on Thursday, May 16, at Elland Road.
"There are no secrets, they know everything about us, we know everything about them in terms of tactical approach, individuals, as a team," Wagner explained.
"If they had beaten QPR, they could be away now with their promotion bonus in their pocket.
"Our focus is on our team, our situation, that's what counts for me. We've played them twice, we conceded two narrow defeats. Does that count for Sunday? No. What it means is that we know everything about the opponent.
"It's fair to say that Leeds are the favourites, doesn't mean we can't be competitive, it doesn't mean that we can't win.
"If you've done it successfully, you can be confident on it. All the information that we have on board that we think is important, we'll address to the players and make them aware.
"I'm the last one who'll give advice to our supporters, they know the importance, embrace the occasion and play your part."