5 down unreal,imaginary,or ideal place ...5-5, 4 letters.
24 across..a second chance given to an opponent in game of golf..8 letters..?U???G?? (Could it be mulligan?)...
7A. Supplant, forestall - ?R?E?P?
8A. Midpoint - ?A?F?A?
19A. As handed over in races - ?A?O?? (I thought it is "baton" but it's one letter short)
25A. Plot, conspire - ?O?N???...