Steven Fletcher had converted a cross from Barry Bannan to head Wednesday into a 51st minute lead but the visitors drew level 12 minutes later when a cross by substitute Collin Quaner was turned into his own net by Tom Lees.
Former Western Sydney Wanderer's midfielder Aaron Mooy is just one win away from the English Premier League. We are the small dog, the terrier, but we have belief.
We'll have another look at some more specific odds a bit closer to the day but there you go, for now you can double your money if you think we'll be celebrating at the end of the day.
Speculation has been mounting over whether Carvalhal will stay at Hillsborough despite the club making progress under his reign.
Both teams had chances to win it in extra time but Ward saved well from Jordan Rhodes and Wells fired into the side netting after a mis-hit-shot broke to him.
"It is clear that it (the season) is finished now and I will talk with the chairman".More news: Nicky Hayden in 'extremely critical' condition following cycling accident
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Pick up tomorrow's Reading Chronicle for a play-off semi-final special in the wake of Reading's thrilling 1-0 victory over Fulham on Tuesday night. "I have a fantastic relationship with the chairman and we will talk".
"We are very frustrated but we are very proud to once again have put Sheffield Wednesday in the first positions", he said.
This was the second successive season that Wednesday had reached the Championship play-offs.
But Carvalhal is confident his side can secure a return to the Premier League for the first time since 2000.
"It is very hard when you fight in the Championship over a lot of games and you come to this moment and you lose on penalties".