West Brom are getting the "worst end" of the Championship's fixture scheduling, according to boss Ryan Mason.
The Baggies host Swansea on Saturday (15:00 GMT) having drawn with Birmingham on Wednesday.
Swansea will have had an extra day to prepare and Mason believes it has happened too often to his side.
"I'm not sure why the scheduling has worked like this from the football league," he told BBC Radio WM.
"In the past six weeks we've had to play away from home twice Wednesday and Saturday and both times against a team who played at home on the Wednesday.